citation a research paper apa style

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How to Cite a Research Paper in APA

Last Updated: October 19, 2022 Fact Checked

This article was co-authored by wikiHow Staff . Our trained team of editors and researchers validate articles for accuracy and comprehensiveness. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. There are 12 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 159,502 times. Learn more...

If you’re citing a research article or paper in APA style, you’ll need to use a specific citation format that varies depending on the source. Assess whether your source is an article or report published in an academic journal or book, or whether it is an unpublished research paper, such as a print-only thesis or dissertation. Either way, your in-text citations will need to include information about the author (if available) and the date when your source was published or written.

Sample Citations

Writing an In-Text Citation

• For example, you may write, “Gardener (2008) notes, ‘There are several factors to consider about lobsters’ (p. 199).”

• For example, you may write, “‘There are several factors to consider about lobsters’ (Gardner, 2008, p. 199).” Or, “The paper claims, ‘The fallen angel trope is common in religious and non-religious texts’ (Meek & Hill, 2015, p.13-14).”
• For articles with 3-5 authors, write out the names of all the authors the first time you cite the source. For example: (Hammett, Wooster, Smith, & Charles, 1928). In subsequent citations, write only the first author’s name, followed by et al.: (Hammett et al., 1928).
• If there are 6 or more authors for the paper, include the last name of the first author listed and then write "et al." to indicate that there are more than 5 authors.
• For example, you may write, "'This is a quote' (Minaj et al., 1997, p. 45)."

• For example, you may write, “‘The risk of cervical cancer in women is rising’ (American Cancer Society, 2012, p. 2).”

• For example, you may write, “‘Shakespeare may have been a woman’ (“Radical English Literature,” 2004, p. 45).” Or, “The paper notes, ‘There is a boom in Virgin Mary imagery’ (“Art History in Italy,” 2011, p. 32).”

• For example, you may write, “‘There are several factors to consider about lobsters’ (Gardner, 2008, p. 199).” Or, “The paper claims, ‘The fallen angel trope is common in religious and non-religious texts’ (“Iconography in Italian Frescos,” 2015, p.13-14).”

• For example, you may write, “‘There are several factors to consider about lobsters’ (Gardner, 2008, p. 199).” Or, “The paper claims, ‘The fallen angel trope is common in religious and non-religious texts’ (“Iconography in Italian Frescos,” 2015, p.145-146).”

• For example, you may write, “‘The effects of food deprivation are long-term’ (Mett, 2005, para. 18).”

Creating a Reference List Citation for a Published Source

• Material on websites is also considered “published,” even if it’s not peer-reviewed or associated with a formal publishing company.
• While academic dissertations or theses that are print-only are considered unpublished, these types of documents are considered published if they’re included in an online database (such as ProQuest) or incorporated into an institutional repository.

• For example, you may write, “Gardner, L. M.” Or, “Meek, P. Q., Kendrick, L. H., & Hill, R. W.”
• If there is no author, you can list the name of the organization that published the research paper. For example, you may write, “American Cancer Society” or “The Reading Room.”
• Formally published documents that don’t list an author or that have a corporate author are typically reports or white papers .

• For example, you may write, “Gardner, L. M. (2008).” Or, “American Cancer Society. (2015).”

• For example, you may write, “Gardner, L. M. (2008). Crustaceans: Research and data.” Or, “American Cancer Society. (2015). Cervical cancer rates in women ages 20-45.”

• For example, for a journal article, you may write, “Gardner, L. M. (2008). Crustaceans: Research and data. Modern Journal of Malacostracan Research, 25, 150-305.”
• For a book chapter, you could write: “Wooster, B. W. (1937). A comparative study of modern Dutch cow creamers. In T. E. Travers (Ed.), A Detailed History of Tea Serviceware (pp. 127-155). London: Wimble Press."

• For example, you may write, “Kotb, M. A., Kamal, A. M., Aldossary, N. M., & Bedewi, M. A. (2019). Effect of vitamin D replacement on depression in multiple sclerosis patients. Multiple Sclerosis and Related Disorders, 29, 111-117. Retrieved from PubMed, https://www.ncbi.nlm.nih.gov/pubmed/30708308.
• If you’re citing a paper or article that was published online but did not come from an academic journal or database, provide information about the author (if known), the date of publication (if available), and the website where you found the article. For example: “Hill, M. (n.d.). Egypt in the Ptolemaic Period. Retrieved from https://www.metmuseum.org/toah/hd/ptol/hd_ptol.htm”

Citing Unpublished Sources in Your Reference List

• Print-only dissertations or theses.
• Articles or book chapters that are in press or have been recently prepared or submitted for publication.
• Papers that have been rejected for publication or were never intended for publication (such as student research papers or unpublished conference papers).

• If the paper is currently being prepared for publication, include the author’s name, the year when the current draft was completed, and the title of the article in italics, followed by “Manuscript in preparation.” For example: Wooster, B. W. (1932). What the well-dressed man is wearing. Manuscript in preparation.
• If the paper has been submitted for publication, format the citation the same way as if it were in preparation, but instead follow the title with “Manuscript submitted for publication.” For example: Wooster, B. W. (1932). What the well-dressed man is wearing. Manuscript submitted for publication.
• If the paper has been accepted for publication but is not yet published, replace the date with “in press.” Do not italicize the paper title, but do include the title of the periodical or book in which it will be published and italicize that. For example: Wooster, B. W. (in press). What the well-dressed man is wearing. Milady’s Boudoir.

• If the paper was written for a conference but never published, your citation should look like this: Riker, W. T. (2019, March). Traditional methods for the preparation of spiny lobe-fish. Paper presented at the 325th Annual Intergalactic Culinary Conference, San Francisco, CA.
• For an unpublished paper written by a student for a class, include details about the institution where the paper was written. For example: Crusher, B. H. (2019). A typology of Cardassian skin diseases. Unpublished manuscript, Department of External Medicine, Starfleet Academy, San Francisco, CA.

• For example, you may write, “Pendlebottom, R. H. (2011). Iconography in Italian Frescos (Unpublished doctoral dissertation). New York University, New York, United States.”

Community Q&A

• If you want certain information to stand out in the research paper, then you can consider using a block quote. Thanks Helpful 0 Not Helpful 0

You Might Also Like

• ↑ https://libraryguides.vu.edu.au/apa-referencing/7JournalArticles
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/in_text_citations_author_authors.html
• ↑ https://bowvalleycollege.libguides.com/c.php?g=714519&p=5093747
• ↑ https://guides.libraries.psu.edu/apaquickguide/intext
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/in_text_citations_the_basics.html
• ↑ https://libguides.southernct.edu/c.php?g=7125&p=34582#1951239
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/reference_list_electronic_sources.html
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/reference_list_articles_in_periodicals.html
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/reference_list_books.html
• ↑ https://morlingcollege.libguides.com/apareferencing/unpublished-or-informally-published-work
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/general_apa_faqs.html
• ↑ https://owl.purdue.edu/owl/research_and_citation/apa_style/apa_formatting_and_style_guide/reference_list_other_print_sources.html

About This Article

To cite a research paper in-text in APA, name the author in the text to introduce the quote and put the publication date for the text in parentheses. At the end of your quote, put the page number in parentheses. If you don’t mention the author in your prose, include them in the citation. Start the citation, which should come at the end of the quote, by listing the author’s last name, the year of publication, and the page number. Make sure to put all of this information in parentheses. If there’s no author, use the name of the organization that published the paper or the first few words from the title. To learn how to cite published and unpublished sources in your reference list, keep reading! Did this summary help you? Yes No

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APA Style (7th Edition) Citation Guide: Introduction

• Introduction
• Journal Articles
• Magazine/Newspaper Articles
• Books & Ebooks
• Government & Legal Documents
• Biblical Sources
• Secondary Sources
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• How to Cite: Other
• Additional Help

Who Should Use APA Style?

APA style is used by social science disciplines such as communication studies, economics, education, psychology, and sociology; it is also used by business and nursing.

What is APA Style?

APA style, created by the American Psychological Association, is a set of rules for formatting manuscripts, including research papers.

In APA, you must cite sources that you have paraphrased, quoted or otherwise used to write your research paper. Cite your sources in two places:

• In the body of your paper where you add a brief in-text citation .
• In the References list at the end of your paper where you give more complete information for the source.
• APA 7th ed. Sample Paper
• APA Style Paper template (Microsoft Word)
• APA 7th. ed. Journal Article Reference Checklist
• APA 7th. ed. Student Paper Checklist

APA Style Guide (7th Edition)

Four Elements of a Reference

A reference generally has these four elements: author, date, title, and source. Each element answers a question and is listed in your citation in the following order:

• author : Who is responsible for this work?
• date : When was this work published?
• title : What is the work called?
• source : Where can I retrieve this work?

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Fundamentals of APA

American Psychological Association (APA) style includes  parenthetical in-text citations  and a  reference list . 

APA uses  parenthetical citations  as its form of in-text citation. Provide a parenthetical citation  before the period  directly following the information you are citing. These citations should correspond to a more detailed citation in the reference list but only need to specify a page number if directly quoting or borrowing from the source material. The essential elements for this in-text citation are the author's last name and the date for the specific publications. The last name may be omitted if the sentence states or makes clear the source material.

APA uses a  reference list ,  an alphabetized list of sources following the end of the book or paper,  for its complete list of sources referenced. This list should be titled "References" in bold and alphabetized by the first item in the citation, which, in most cases, is the author's last name. Each reference from this list must be cited in your paper and vice versa.

Basic Format

Author Last Name, Author First Initial. (Year of publication). Title . Publisher Name.

Print Articles

Author Last Name, Author First Initial, & Author Last Name, Author First Initial. (Year). Article Title. Periodical Title , volume number(issue number), pages.

Electronic Articles

Author Last Name, Author First Initial. (Year). Article Title. Periodical Title , volume number(issue number), pages. doi or static url.

Physical Images/Artwork

Artist Last Name, Artist First Initial. (Year). Artwork Title [medium]. Host Institution Name, City, State, Country. URL of institution.

Electronic Images/Artwork

Artist Last Name, Artist First Initial. (Year). Image Title [medium]. Source Title. URL of image.

In-text Citation Examples

Standard case :

"Lorem   ipsum  dolor sit  amet ,  consectetur   adipiscing   elit" (Last name, 2000, p.10).

If the author is not available , the title of the source may be used:

Lorem   ipsum  dolor sit  amet ,  consectetur   adipiscing   elit ("Source title", 2000, pp.10-11).

If multiple authors cited have the same last name , use the author's first initial along with their last name:

"Lorem   ipsum  dolor sit  amet ,  consectetur   adipiscing   elit" (E. Bronte, 1847, p.10).

Lorem   ipsum  dolor sit  amet ,  consectetur   adipiscing   elit (C. Bronte, 1847, p.10).

Full Citation Examples for the Reference List

Archival material :

Child, J. (1974).  Journal, 1974 . [Unpublished journal].  Papers of Julia Child, 1925-1993(MC 644, item 4).  Schlesinger Library on the History of Women in America, Radcliffe Institute,  https://id.lib.harvard.edu/ead/c/ sch00222c00006 /catalog .

Child, P. (1967). Julia Child at the White House [Photograph]. Schlesinger Library on the History of Women in America, Radcliffe Institute, https://id.lib.harvard.edu/images/olvwork539731/urn-3:RAD.SCHL:4510469/catalog.

Beck, S., Bertholle, L., & Child, J. (1961).  Mastering the art of French cooking.  Knopf.

Child, J. & Child, P. (1968).  The French chef cookbook . Alfred A. Knopf .

Journal article :

Muneal, M. (2011).  Studies in Popular Culture , 34(1), 152–154. www.jstor.org/stable/23416357.

Nussbaum, D. (2005). "In Julia Child's Kitchen, October 5 1998".  Gastronomica , 5(3), 29-38. doi: 10.1525/gfc.2005.5.3.29.

• APA Style website The online version of the APA Style Manual, this website offers to help with the technical elements of formatting in APA as well as writing and citing your work.
• Purdue OWL APA Guide The Purdue Online Writing Lab (OWL) is one of the most complete citation guides available online. The APA Guide explains how to format a paper in APA and breaks down citations by type with numerous examples.
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APA Style (7th ed.)

• Cite: Why? When?
• Book, eBook, Dissertation
• Article or Report
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• Format Your Paper

Format Your Paper

Download and use the editable templates for student papers below: .

• APA 7th ed. Template Document This is an APA format template document in Google Docs. Click on the link -- it will ask for you to make a new copy of the document, which you can save in your own Google Drive with your preferred privacy settings.
• APA 7th ed. Template Document A Microsoft Word document formatted correctly according to APA 7th edition.
• APA 7th ed. Annotated Bibliography template A Microsoft Word document formatted correctly for an annotated bibliography.

Or, view the directions for specific sections below:

Order of sections (section 2.17).

• Title page including Title, Author, University and Department, Class, Instructor, and Date
• Body (including introduction, literature review or background, discussion, and conclusion)
• Appendices (including tables & figures)

Margins & Page Numbers (sections 2.22-2.24)

• 1 inch at top, bottom, and both sides
• Left aligned paragraphs and leave the right edge ragged (not "right justified")
• Indent first line of each paragraph 1/2 inch from left margin
• Use page numbers, including on the title page, 1/2 inch from top and flush with right margin

Text Format (section 2.19)

• Times New Roman, 12 point
• Calibri, 11 point
• Arial, 11 point
• Lucinda Sans Unicode, 10 point
• Georgia, 11 point
• Double-space and align text to the left
• Use active voice
• Don't overuse technical jargon
• No periods after a web address or DOI in the References list.

Tables and Figures In-Text (chapter 7)

• Label tables and figures numerically (ex. Table 1)
• Give each table column a heading and use separating lines only when necessary
• Design the table and figure so that it can be understood on its own, i.e. it does not require reference to the surrounding text to understand it
• Notes go below tables and figures

Title Page (section 2.3)

• Include the title, your name,  the class name , and  the college's name
• Title should be 12 words or less and summarize the paper's main idea
• No periods or abbreviations
• Do not italicize or underline
• No quotation marks, all capital letters, or bold
• Center horizontally in upper half of the page

Body (section 2.11)

• Align the text to the left with a 1/2-inch left indent on the first line
• Double-space
• As long as there is no Abstract, at the top of the first page, type the title of the paper, centered, in bold , and in Sentence Case Capitalization
• Usually, include sections like these:  introduction, literature review or background,  discussion, and conclusion -- but the specific organization will depend on the paper type
• Spell out long organization names and add the abbreviation in parenthesis, then just use the abbreviation
• Spell out numbers one through nine and use a number for 10 or more
• Use a number for units of measurement, in tables, to represent statistical or math functions, and dates or times

Headings (section 2.26-2.27)

• Level 1: Center, bold , Title Case 
• Level 2: Align left, bold , Title Case
• Level 3: Alight left, bold italics , Title Case
• Level 4: Indented 1/2", bold , Title Case, end with a period. Follow with text. 
• Level 5: Indented 1/2", bold italics , Title Case, end with a period. Follow with text. 

Quotations (sections 8.26-8.33)

• Include short quotations (40 words or less) in-text with quotation marks
• For quotes more than 40 words, indent the entire quote a half inch from the left margin and double-space it with no quotation marks
• When quoting two or more paragraphs from an original source, indent the first line of each paragraph a half inch from the left margin
• Use ellipsis (...) when omitting sections from a quote and use four periods (....) if omitting the end section of a quote

References (section 2.12)

Begins on a new page following the text of your paper and includes complete citations for the resources you've used in your writing.

• References should be centered and bolded at the top of a new page
• Double-space and use hanging indents (where the first line is on the left margin and the following lines are indented a half inch from the left)
• List authors' last name first followed by the first and middle initials (ex. Skinner, B. F.)
• Alphabetize the list by the first author's last name of of each citation (see sections 9.44-9.49)
• Capitalize only the first word, the first after a colon or em dash, and proper nouns
• Don't capitalize the second word of a hyphenated compound
• No quotation marks around titles of articles

Appendices with Tables, Figures, & Illustrations (section 2.14, and chapter 7)

• Include appendices only to help the reader understand, evaluate, or replicate the study or argument
• Put each appendix on a separate page and align left
• For text, do not indent the first paragraph, but do indent the rest
• If you have only one appendix, label it "Appendix"
• If you have two or more appendices, label them "Appendix A", "Appendix B" and so forth as they appear in the body of your paper
• Label tables and figures numerically (ex. Table 1, or Table B1 and Table B2 if Appendix B has two tables) and describe them within the text of the appendix
• Notes go below tables and figures (see samples on p. 210-226)

Annotated Bibliography

Double-space the entire bibliography. give each entry a hanging indent. in the following annotation, indent the entire paragraph a half inch from the left margin and give the first line of each paragraph a half inch indent. see the template document at the top of this page..

• Check with your professor for the length of the annotation and which elements you should evaluate.

These elements are optional, if your professor or field requires them, but they are  not required for student papers: 

Abstract (section 2.9).

• Abstract gets its own page
• Center "Abstract" heading and do not indent the first line of the text
• Summarize the main points and purpose of the paper in 150-250 words maximum
• Define abbreviations and acronyms used in the paper

Running Head (section 2.8 )

• Shorten title to 50 characters or less (counting spaces and punctuation) for the running head
• In the top margin, the running head is aligned left, with the page number aligned on the right
• On every page, put (without the brackets): [SHORTENED TITLE OF YOUR PAPER IN ALL CAPS] [page number] 

More questions? Check out the authoritative source: APA style blog

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• Free Tools for Students
• APA Citation Generator

Free APA Citation Generator

Generate citations in APA format quickly and automatically, with MyBib!

🤔 What is an APA Citation Generator?

An APA citation generator is a software tool that will automatically format academic citations in the American Psychological Association (APA) style.

It will usually request vital details about a source -- like the authors, title, and publish date -- and will output these details with the correct punctuation and layout required by the official APA style guide.

Formatted citations created by a generator can be copied into the bibliography of an academic paper as a way to give credit to the sources referenced in the main body of the paper.

👩‍🎓 Who uses an APA Citation Generator?

College-level and post-graduate students are most likely to use an APA citation generator, because APA style is the most favored style at these learning levels. Before college, in middle and high school, MLA style is more likely to be used. In other parts of the world styles such as Harvard (UK and Australia) and DIN 1505 (Europe) are used more often.

🙌 Why should I use a Citation Generator?

Like almost every other citation style, APA style can be cryptic and hard to understand when formatting citations. Citations can take an unreasonable amount of time to format manually, and it is easy to accidentally include errors. By using a citation generator to do this work you will:

• Save a considerable amount of time
• Ensure that your citations are consistent and formatted correctly
• Be rewarded with a higher grade

In academia, bibliographies are graded on their accuracy against the official APA rulebook, so it is important for students to ensure their citations are formatted correctly. Special attention should also be given to ensure the entire document (including main body) is structured according to the APA guidelines. Our complete APA format guide has everything you need know to make sure you get it right (including examples and diagrams).

⚙️ How do I use MyBib's APA Citation Generator?

Our APA generator was built with a focus on simplicity and speed. To generate a formatted reference list or bibliography just follow these steps:

• Start by searching for the source you want to cite in the search box at the top of the page.
• MyBib will automatically locate all the required information. If any is missing you can add it yourself.
• Your citation will be generated correctly with the information provided and added to your bibliography.
• Repeat for each citation, then download the formatted list and append it to the end of your paper.

MyBib supports the following for APA style:

Daniel is a qualified librarian, former teacher, and citation expert. He has been contributing to MyBib since 2018.

• Plagiarism and grammar
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A comprehensive guide to apa citations and format, overview of this guide:.

This page provides you with an overview of APA format, 7th edition. Included is information about referencing, various citation formats with examples for each source type, and other helpful information.

If you’re looking for MLA format , check out the Citation Machine MLA Guide. Also, visit the Citation Machine homepage to use the APA formatter, which is an APA citation generator, and to see more styles .

Being responsible while researching

When you’re writing a research paper or creating a research project, you will probably use another individual’s work to help develop your own assignment. A good researcher or scholar uses another individual’s work in a responsible way. This involves indicating that the work of other individuals is included in your project (i.e., citing), which is one way to prevent plagiarism.

Plagiarism? What is it?

The word plagiarism is derived from the Latin word, plagiare , which means “to kidnap.” The term has evolved over the years to now mean the act of taking another individual’s work and using it as your own, without acknowledging the original author (American Psychological Association, 2020 p. 21). Plagiarism can be illegal and there can be serious ramifications for plagiarizing someone else’s work. Thankfully, plagiarism can be prevented. One way it can be prevented is by including citations and references in your research project. Want to make them quickly and easily? Try the Citation Machine citation generator, which is found on our homepage.

All about citations & references

Citations and references should be included anytime you use another individual’s work in your own assignment. When including a quote, paraphrased information, images, or any other piece of information from another’s work, you need to show where you found it by including a citation and a reference. This guide explains how to make them.

APA style citations are added in the body of a research paper or project and references are added to the last page.

Citations , which are called in-text citations, are included when you’re adding information from another individual’s work into your own project. When you add text word-for-word from another source into your project, or take information from another source and place it in your own words and writing style (known as paraphrasing), you create an in-text citation. These citations are short in length and are placed in the main part of your project, directly after the borrowed information.

References are found at the end of your research project, usually on the last page. Included on this reference list page is the full information for any in-text citations found in the body of the project. These references are listed in alphabetical order by the author's last name.

An APA in-text citation includes only three items: the last name(s) of the author(s), the year the source was published, and sometimes the page or location of the information. References include more information such as the name of the author(s), the year the source was published, the full title of the source, and the URL or page range.

Why is it important to include citations & references

Including APA citations and references in your research projects is a very important component of the research process. When you include citations, you’re being a responsible researcher. You’re showing readers that you were able to find valuable, high-quality information from other sources, place them into your project where appropriate, all while acknowledging the original authors and their work.

Common ways students and scholars accidentally plagiarize

Believe it or not, there are instances when you could attempt to include in-text and full references in the appropriate places, but still accidentally plagiarize. Here are some common mistakes to be aware of:

Mistake #1 - Misquoting sources: If you plan to use a direct quote, make sure you copy it exactly as is. Sure, you can use part of the full quote or sentence, but if you decide to put quotation marks around any words, those words should match exactly what was found in the original source. Here’s a line from The Little Prince , by Antoine de Saint-Exupéry:

“Grown-ups never understand anything by themselves, and it is tiresome for children to be always and forever explaining things to them.”

Here’s an acceptable option:

“Grown-ups never understand anything by themselves,” stated de Saint-Exupéry (1943, p. 3).

Here’s a misquote:

“Grown-ups barely ever understand anything by themselves,” stated de Saint-Exupéry (1943, p. 3).

Notice the slight change in the words. The incorrect phrasing is an instance of accidental plagiarism.

Mistake #2 - Problems with paraphrasing: When we paraphrase, we restate information using our own words and writing style. It’s not acceptable to substitute words from the original source with synonyms.

Let’s use the same sentence from The Little Prince .

A correct paraphrase could be:

de Saint-Exupéry (1943) shares various ways adults frustrate children. One of the biggest being that kids have to explain everything. It’s too bad adults are unable to comprehend anything on their own (p. 3).

An incorrect paraphrase would be:

de Saint-Exupéry (1943) shares that adults never understand anything by themselves, and it is exhausting for kids to be always and forever clarifying things to them (p.3).

Notice how close the incorrect paraphrase is from the original. This is an instance of accidental plagiarism.

Make sure you quote and paraphrase properly in order to prevent accidental plagiarism.

If you’re having a difficult time paraphrasing properly, it is acceptable to paraphrase part of the text AND use a direct quote. Here’s an example:

de Saint-Exupery (1943) shares various ways adults frustrate children. One of the biggest being that kids have to explain everything, and “it is tiresome for children to be always and forever explaining things to them” (p. 3).

Information About APA

Who created it.

The American Psychological Association is an organization created for individuals in the psychology field. With close to 121,000 members, they provide educational opportunities, funding, guidance, and research information for everything psychology-related. They also have numerous high-quality databases, peer-reviewed journals, and books that revolve around mental health.

The American Psychological Association is also credited with creating their own specific citation and reference style. Today, this format is used by individuals not only in the psychology field, but many other subject areas as well. Education, economics, business, and social sciences also use APA style quite frequently. Click here for more information . This guide covers general information about the style, but is not affiliated with the American Psychological Association.

Why was this style created?

This format was first developed in 1929 to form a standardized way for researchers in science fields to document their sources. Prior to the inception of these standards and guidelines, individuals were recognizing the work of other authors by including bits and pieces of information in random order. There wasn’t a set way to format citations and references. You can probably imagine how difficult it was to understand the sources that were used for research projects!

Having a standard format for citing sources allows readers to glance at a citation or APA reference and easily locate the title, author, year published, and other critical pieces of information needed to understand a source.

The evolution of this style

The guide below is based on APA style 7th edition, which was released in 2020. In previous versions of APA format, researchers and scholars were required to include the publisher location for books and the date that an electronic resource was accessed. Both are no longer required to be included.

Details on the differences between the 6th and 7th editions is addressed later in this guide.

Citations & References

The appearance of citations & references.

The format for references varies, but most use this general format:

%%Author’s Last name, First initial. (Date published). Title . URL

Researchers and scholars must look up the proper format for the source that they’re attempting to cite. Books have a certain format, websites have a different format, periodicals have a different format, and so on. Scroll down to find the proper format for the source you’re citing or referencing.

If you would like help citing your sources, CitationMachine.com has a citation generator that will help make the APA citation process much easier for you. To start, simply click on the source type you're citing:

• Journal articles

In-text citations

An APA in-text citation is included in research projects in three instances: When using a direct quote, paraphrasing information, or simply referring to a piece of information from another source.

Quite often, researchers and scholars use a small amount of text, word for word, from another source and include it in their own research projects. This is done for many reasons. Sometimes, another author’s words are so eloquently written that there isn’t a better way to rephrase it yourself. Other times, the author’s words can help prove a point or establish an understanding for something in your research project. When using another author’s exact words in your research project, include an APA in-text citation directly following it.

In addition to using the exact words from another source and placing them into your project, these citations are also added anytime you paraphrase information. Paraphrasing is when you take information from another source and rephrase it, in your own words.

When simply referring to another piece of information from another source, also include a citation directly following it.

Citations in the text are found near a direct quote, paraphrased information, or next to a mention of another source. To see examples of some narrative/ parenthetical citations in action, look at the image above, under “All About Citations & References.”

Note: *Only include the page or paragraph number when using a direct quote or paraphrase. Page numbers have a p. before the number, pp. before the page range, and para. before the paragraph number. This information is included to help the reader locate the exact portion of text themselves. It is unnecessary to include this information when you’re simply referring to another source.

Examples of APA in-text citations:

“Well, you’re about to enter the land of the free and the brave. And I don’t know how you got that stamp on your passport. The priest must know someone” (Tóibín, 2009, p. 52).

Student teachers who use technology in their lessons tend to continue using technology tools throughout their teaching careers (Kent & Giles, 2017, p. 12).

If including the author’s name in the sentence, place the year in the parentheses directly next to his or her name. Add the page number at the end, unless it’s a source without any pages or paragraph numbers (See Section 8.10 of the Publication manual for more details).

In-text citation APA example:

According to a study done by Kent and Giles (2017), student teachers who use technology in their lessons tend to continue using technology tools throughout their teaching careers.

The full references, or citations, for these sources can be found on the last part of a research project, titled the “References.”

Here’s how to create in-text citations for specific amounts of authors:

APA citation with no author

When the source lacks an author’s name, place the title, year, and page number (if available) in the text. The title should be in italics if it sits alone (such as a movie, brochure, or report). If the source is part of a whole (as many web pages and articles are), place the title in quotation marks without italics (See Section 8.14 of the Publication manual ).

Structure of an APA format citation in the text narratively, with the author's name missing:

Title of Source (Year) or “Title of Source” (Year)

Structure of an APA style format citation, in parentheses at the end of the sentence, with the author’s name missing: (Title of Source, Year) or (“Title of Source,” Year)

Structure for one author

In the text, narratively: Last name of Author (Year)...(page number).

In parentheses, at the end of the sentence: (Last name of Author, Year, page number).

Structure for two authors

Place the authors in the order they appear on the source. Only use the ampersand in the parenthetical citations (see Section 8.17 of the Publication manual ). Use ‘and’ to separate the author names if they’re in the text of the sentence.

In the text, narratively: Last name of Author 1 and Last name of Author 2 (Year)....(page number).

In parentheses, at the end of the sentence: (Last name of Author 1 & Last name of Author 2, Year, page number).

Structure for three or more authors

Only include the first listed author’s name in the first and any subsequent citations. Follow it with et al.

(Last name Author 1 et al., Year, page number)

(Agbayani et al., 2020, p. 99)

Last name of Author 1 et al. (Year)...(page).

Agbayani et al. (2020)...(p. 99)

One author, multiple works, same year

What do you do when you want to cite multiple works by an author, and the sources all written in the same year?

Include the letters ‘a’ ‘b’ ‘c’ and so on after the year in the citation.

(Jackson, 2013a)

Jackson (2013a)

Writers can even lump dates together.

Example: Jackson often studied mammals while in Africa (2013a, 2013b).

On the APA reference page, include the same letters in the full references.

Groups and organizations

Write out the full name of the group or organization in the first citation and place the abbreviation next to it in brackets. If the group or organization is cited again, only include the abbreviation. If it doesn’t have an abbreviation associated with it, write out the entire organization’s name each and every time (see Section 8.21 of the Publication manual ).

First APA citation for an organization with an abbreviation: (World Health Organization [WHO], Year)

World Health Organization (WHO, Year)

Notice in the example directly above, the name of the organization is written out in full in the text of the sentence, and the abbreviation is placed in parentheses next to it.

Subsequent APA citations in the text for an organization with an abbreviation: (WHO, Year) OR WHO (Year)

All citations in the text for an organization without an abbreviation: (Citation Machine, Year) or Citation Machine (Year)

One in-text citation, multiple works

Sometimes you’ll need to cite more than one work within an in-text citation. Follow the same format (author, year) format but place semicolons between works (p. 263).

(Obama, 2016; Monroe et al., 1820; Hoover & Coolidge, 1928)

Reminder: There are many citation tools available on CitationMachine.com. Head to our homepage to learn more, check out our APA citation website, and cite your sources easily! The most useful resource on our website? Our APA citation generator, which doesn’t just create full references, it’s also an APA in-text citation website! It’ll do both for you!

Click here to learn more about crediting work .

Reference list citation components

References display the full information for all the citations found in the body of a research project.

Some things to keep in mind when it comes to the references:

• All references sit together on their own page, which is usually the last page(s) of a paper.
• Title the page ‘References’
• Place ‘References’ in the center of the page and bold it. Keep the title in the same font and size as the references. Do not italicize, underline, place the title in quotation marks, or increase the font size.
• The entire page is double spaced.
• All references are listed in alphabetical order by the first word in the reference, which is usually the author’s last name. If the source lacks an author, alphabetize the source by the title (ignore A, An, or The)
• All references have a hanging indent, meaning that the second line of text is indented in half an inch. See examples throughout this guide.
• Remember, each and every citation in the text of the paper MUST have a full reference displayed in the reference list. The citations in the text provide the reader with a quick glimpse about the sources used, but the references in the reference list provide the reader with all the information needed to seek out the source themselves.

Learn more about each component of the reference citation and how to format it in the sections that follow. See an APA sample paper reference list at the end of this entire section.

Author’s names

The names of authors are written in reverse order. Include the initials for the first and middle names. End this information with a period (see Section 9.8 of the Publication manual ).

Format: Last name, F. M.

• Angelou, M.
• Doyle, A. C.

Two or more authors

When two or more authors work together on a source, write them in the order in which they appear on the source. You can name up to 20 authors in the reference. For sources with 2 to 20 authors, place an ampersand (&) before the final author. Use this format:

Last name, F. M., & Last name, F. M.

Last name, F. M., Last name, F. M., Last name, F. M., Last name, F. M., & Last name, F. M.

Kent, A. G., Giles, R. M., Thorpe, A., Lukes, R., Bever, D. J., & He, Y.

If there are 21 or more authors listed on a source, only include the first 19 authors, add three ellipses, and then add the last author’s name.

Roberts, A., Johnson, M. C., Klein, J., Cheng, E. V., Sherman, A., Levin, K. K. , ...Lopez, G. S.

If you plan on using a free APA citation tool, like the one at CitationMachine.com, the names of the authors will format properly for you.

###No authors

If the source lacks an author, place the title in the first position in the reference (Section 9.12 of the Publication manual ). When the source’s title begins with a number (Such as 101 Dalmatians ), place the reference alphabetically as if the number was spelled out. 101 Dalmatians would be placed in the spot where ‘One hundred’ would go, but keep the numbers in their place.

Additionally, if the title begins with the words ‘A’, ‘An,’ or ‘The,’ ignore these words and place the title alphabetically according to the next word.

See the “Titles” section below for more information on formatting the title of sources.

###Corporate/Organization authors

On an APA reference page, corporate authors are always written out in full. In the text of your paper, you may have some abbreviations (such as UN for United Nations), but in the full references, always include the full names of the corporation or organization (following Section 9.11 of the official Publication manual ).

%%United Nations. (2019). Libya: $202 million needed to bring life-saving aid to half a million people hit by humanitarian crisis. https://news.un.org/en/story/2019/02/1031981

Publication date & retrieval date

Directly after the author’s name is the date the source was published. Include the full date for newspapers and magazine articles, and only the year for journals and all other sources. If no date is found on the source, include the initials, n.d. for “no date.”

%% Narducci, M. (2017, May 19). City renames part of 11th Street Ed Snider Way to honor Flyers founder. The Philadelphia Inquirer . http://www.philly.com/

If using our APA Citation Machine, our citation generator will add the correct format for you automatically.

Giving a retrieval date is not needed unless the online content is likely to be frequently updated and changed (e.g., encyclopedia article, dictionary entry, Twitter profile, etc.).

%%Citation Machine [@CiteMachine]. (n.d.). Tweets [Twitter profile]. Twitter. Retrieved October 10, 2019, from https://twitter.com/CiteMachine

When writing out titles for books, articles, chapters, or other non-periodical sources, only capitalize the first word of the title and the first word of the subtitle. Names of people, places, organizations, and other proper nouns also have the first letter capitalized. For books and reports, italicize the title in the APA citation.

Strange case of Dr. Jekyll and Mr. Hyde.

Roots: The saga of an American family.

For articles and chapters in APA referencing, do not italicize the title.

Wake up the nation: Public libraries, policy making, and political discourse.

For newspapers, magazines, journals, newsletters, and other periodicals, capitalize the first letter in each word and italicize the title.

The Seattle Times.

A common question is whether to underline your title or place it in italics or quotation marks in the reference list. Here’s a good general rule: When a source sits alone and is not part of a larger whole, place the title in italics. If the source does not sit alone and is part of a larger whole, do not place it in italics.

Books, movies, journals, and television shows are placed in italics since they stand alone. Songs on an album, episodes of television shows, chapters in books, and articles in journals are not placed in italics since they are smaller pieces of larger wholes.

The Citation Machine citation generator will format the title in your citations automatically.

Additional information about the title

If you feel it would be helpful to include additional information about the source type, include a descriptive noun or two in brackets immediately following the title. Capitalize the first letter.

%%Kennedy, K., & Molen, G. R. (Producers), & Spielberg, S. (Director). (1993). Jurassic Park [Film]. USA: Universal.

Besides [Film], other common notations include:

• [Audio podcast]
• [Letter to the editor]
• [Television series episode]
• [Facebook page]
• [Blog post]
• [Lecture notes]
• [PowerPoint presentation]
• [Video file]

If you are using Citation Machine citing tools, additional information about the title is automatically added for you.

Publisher information

For books and reports, include the publisher name but not the location (see Section 9.29 of the Publication manual ). Older editions of the style required the city, state and/or country, but this hasn't been the case since the 7th edition was released.

It is not necessary to include the entire name of the publisher. It is acceptable to use a brief, intelligible form. However, if Books or Press are part of the publisher’s names, keep these words in the reference. Other common terms, such as Inc., Co., Publishers, and others can be omitted.

For newspapers, journals, magazines, and other periodicals, include the volume and issue number after the title. The volume number is listed first, by itself, in italics. The issue number is in parentheses immediately after it, not italicized. There is no space after the closing parenthesis and before the volume number.

%%Giannoukos, G., Besas, G., Hictour, V., & Georgas, T. (2016). A study on the role of computers in adult education. Educational Research and Reviews , 11 (9), 907-923. https://doi.org/10.5897/ERR2016.2688

After including the publisher information, end this section with a period.

Perseus Books.

Electronic source information:

For online sources, the URL or DOI (Direct Object Identifier) are included at the end of an APA citation.

DOI numbers are often created by publishers for journal articles and other periodical sources. They were created in response to the problem of broken or outdated links and URLs. When a journal article is assigned a DOI number, it is static and will never change. Because of its permanent characteristic, DOIs are the preferred type of electronic information to include in APA citations. When a DOI number is not available, include the source’s URL (see Section 9.34 in the Publication manual ).

For DOIs, include the number in this format:

http://doi.org/xxxx

For URLs, type them in this format:

http:// or https://

Other information about electronic sources:

• If the URL is longer than a line, break it up before a punctuation mark.
• Do not place a period at the end of the citation/URL.
• It is unnecessary to include retrieval dates, unless the source changes often over time (like in a Wikipedia article).
• It is not necessary to include the names of databases

If using the Citation Machine APA citation website autocite features, the online publication information will be automatically replaced by the DOI. The Citation Machine APA template will properly cite your online sources for you.

Make sure you run your completed paper through the Citation Machine Plus smart proofreader, which scans for grammar, spelling, and plagiarism. Whether it’s an adjective , verb , or pronoun out-of-place, our technology helps edits your paper for you!

Annotated bibliographies:

An APA annotated bibliography is a full bibliography that includes a small note for each reference citation. Each note should be short (1-2 paragraphs) and contain a summary or your evaluation about each source. When creating your citations on CitationMachine.net, there is a field at the bottom of each form to add your own annotations.

Follow the publication manual guidelines on paper format and writing style. Let your instructor guide other details about your annotations. Still confused? Read our guide on annotated bibliographies .

These types of projects look different depending on the style you’re using. Use the link at the top of the page to access resources related to the Modern Language Association’s style. Here’s information related to Chicago citation style .

Page formatting

Need help with the design and formatting of your paper? Look no further! This section provides the ins and outs of properly displaying the information in your APA essay.

• Times New Roman, 12-point size.
• Calibri, Arial, or Georgia, 11-point size
• Lucida, Sans Unicode, or Computer Modern, 10-point size
• Indents = Every paragraph should start with an indent.
• Margins = 1 inch around the entire document
• Spacing = Double space everything!

Arrange your pages in this order:

• Page 1 - APA Title Page (see below for information on the title page)
• Page 2 - Abstract (If your professor requests one)
• Page 3 - First page of text
• References begin on their own page. Include the list of references on the page after the text.
• Tables and figures

Keep in mind that the order above is the recommendation for papers being submitted for peer review. If you’re writing an APA style paper for a class, your professor may be more lenient about the requirements. Also, if you’re submitting your paper for a specific journal, check the requirements on the journal’s website. Each journal has different rules and procedures.

Just a little nudge to remind you about the Citation Machine Plus smart proofreader. Whether it’s a conjunction or interjection out of place, a misspelled word, or an out of place citation, we’ll offer suggestions for improvement! Don’t forget to check out our APA citation maker while you’re at it!

Running heads

In older editions of APA, running heads were required for all papers. Since the 7th edition, that’s changed.

• Student paper: No running head
• Professional paper: Include a running head

The running head displays the title of the paper and the page number on all pages of the paper. This header is found on every page of a professional paper (not a student paper), even on the title page (sometimes called an APA cover page) and reference list (taken from Section 2.8 of the Publication manual ).

It's displayed all in capital letters at the top of the page. Across from the running head, along the right margin, is the page number.

• Use the header feature in your word processor. Both Google Docs and Word have these features available.
• Use one for the recommended fonts mentioned under "Page formatting."

Title pages

A title page, sometimes called an APA cover page, graces the cover of an essay or paper. An APA title page should follow rules from Section 2.3 of the official Publication manual and include:

• Page number, which is page 1
• Use title case and bold font
• The title should be under 12 words in length
• The title should be a direct explanation of the focus of the paper. Do not include any unnecessary descriptors such as “An Analysis of…” or “A Study of…”
• Exclude any labels such as Mr., Ms., Dr, PhD...
• Name of the school or institution
• Course number and/or class name
• Name of your instructor, including their preferred honorifics (e.g., PhD, Dr., etc.)
• Paper’s due date
• If this is a professional paper, also include a running head. If this is a student paper, do not include one.

Follow the directions for the running head and page number in the section above. Below the running head, a few lines beneath, and centered in the middle of the page, should be the title. The next line below is the author’s name(s), followed by the name of the school or institution, the class or course name, your instructor’s name, and the paper’s due date.

All components on this page should be written in the same font and size as the rest of your paper. Double space the title, names, name of school or institution, and all other information on the page (except for the running head and page number).

Example - Student Title Page APA:

Example - Professional Title Page APA:

If you’re submitting your paper to a journal for publication, check the journal’s website for exact requirements. Each journal is different and some may request a different type of APA format cover page.

Looking to create an APA format title page? Head to CitationMachine.com’s homepage and choose “Title Page” at the top of the screen.

An abstract briefly but thoroughly summarizes dissertation contents. It’s found in the beginning of a professional paper, right after the title page. Abstracts are meant to help readers determine whether to continue reading the entire document. With that in mind, try to craft the lead sentence to entice the reader to continue reading.

Here are a few tips:

• Be factual and keep your opinions out. An abstract should accurately reflect the paper or dissertation and should not involve information or commentary not in the thesis.
• Communicate your main thesis. What was the examined problem or hypothesis? A reader should know this from reading your abstract.
• Keep it brief. Stick to the main points and don’t add unnecessary words or facts. It should not exceed 250 words.
• Consider your paper’s purpose. It’s important to cater your abstract to your paper type and think about what information the target audience for that paper type would want. For example, an empirical article may mention methodology or participant description. A quantitative or qualitative meta-analysis would mention the different variables considered and how information was synthesized.
• Use verbs over noun equivalents, and active voice. Example: “There was research into…” becomes “We researched…”

Formatting guidelines:

• The abstract goes after the title page.
• It should have the same font (size and type) as the rest of the paper.
• It should stick to one page.
• Double-space all page text.
• Center and bold the word “Abstract” at the top of the paper.
• Don’t indent the first line of the abstract body. The body should also be in plain text.
• For the keywords, place it on the line after the abstract and indent the first line (but not subsequent lines). The word “Keywords:” is capitalized, italicized, and followed by a colon. The actual keywords are sentence case and in plan font.
• List each keyword one after the other, and separate them by a comma.
• After the last keyword, no ending punctuation is needed.

Tables & Figures

If your paper includes a lot of numerical information or data, you may want to consider placing it into a table or a figure, rather than typing it all out. A visual figure or simple, organized table filled with numerical data is often easier for readers to digest and comprehend than tons of paragraphs filled with numbers. Chapter 7 of the Publication manual outlines formatting for tables and figures. Let's cover the basics below.

If you’d like to include a table or figure in your paper, here are a few key pieces of information to keep in mind:

• At the end of the paper after the APA reference page
• In the text after it is first mentioned
• The table first mentioned in the text should be titled ‘Table 1.’ The next table mentioned in the text is ‘Table 2,’ and so on. For figures, it would be 'Figure 1,' 'Figure 2,' and so forth.

• Even though every table and figure is numbered, also create a title for each that describes the information it contains. Capitalize all important words in the title.
• For tables, do not use any vertical lines, only use horizontal to break up information and headings.
• Single spacing is acceptable to use in tables and figures. If you prefer double spacing your information, that is okay too.
• Do not include extra information or “fluff.” Keep it simple!
• Do not include the same exact information in the paper. Only include the complete information in one area—the table or the text.
• All tables and figures must be referenced in the text. It is unacceptable to throw a table or figure into the back of the paper without first providing a brief summary or explanation of its relevance.

Publication Manual 6th Edition vs 7th Edition

The 6th edition of the Publication Manual of the American Psychological Association was released in 2009. The current 7th edition came out in the fall of 2019 and was designed to be more student focused, provide more guidance on accessibility, and address changes that have developed over the last 10 years.

Below, we’ve listed what we feel are the most relevant changes related to APA format.

Journals and DOIs

DOI stands for “digital object identifier.” Many journal articles use and have a unique DOI that should be included in a full citation.

When including a DOI in a citation, format it as a URL. Do not label it “DOI.” Articles without DOIs from databases are treated as print works. For example:

6th edition:

%%Gänsicke, B. T., Schreiber, M. R., Toloza, O., Fusillo, N. P. G., Koester, D., & Manser, C. J. (2019). Accretion of a giant planet onto a white dwarf star. Nature, 576 (7785), 61–64. doi: 10.1038/s41586-019-1789-8

7th edition:

%%Gänsicke, B. T., Schreiber, M. R., Toloza, O., Fusillo, N. P. G., Koester, D., & Manser, C. J. (2019). Accretion of a giant planet onto a white dwarf star. Nature, 576 (7785), 61–64. https://doi.org/10.1038/s41586-019-1789-8

Citing Books

There are few new guidelines when you are citing a book. First, the publisher location no longer needs to be indicated.

%%Zack, P. O. (2001). The shoals of time. Bloomington, IN: First Books Library.

%%Zack, P. O. (2001). The shoals of time. First Books Library.

Second, the format of an ebook (e.g., Kindle, etc.) no longer needs to be indicated.

%%Niven, J. (2012). Ada Blackjack: A true story of survival in the Arctic [Kindle].

%%Niven, J. (2012). Ada Blackjack: A true story of survival in the Arctic .

Lastly, books from research databases without DOIs are treated the same as print works.

When using a URL in a citation, you no longer need to include the term “Retrieved from” before URLs (except with retrieval dates). The font should be blue and underlined, or black and not underlined.

6th Edition:

%%Flood, A. (2019, December 6). Britain has closed almost 800 libraries since 2010, figures show. The Guardian . Retrieved from https://www.theguardian.com/books/2019/dec/06/britain-has-closed-almost-800-libraries-since-2010-figures-show

7th Edition:

%%Flood, A. (2019, December 6). Britain has closed almost 800 libraries since 2010, figures show. The Guardian . https://www.theguardian.com/books/2019/dec/06/britain-has-closed-almost-800-libraries-since-2010-figures-show

Within a full APA citation, you may spell out up to 20 author names. For two to 20 authors, include an ampersand (&) before the name of the last author. For sources with 21 or more authors, structure it as follows:

Structure: First 19 authors’ names, . . . Last author’s name.

7th edition example: Washington, G., Adams, J., Jefferson, T., Madison, J., Monroe, J., Adams, J. Q., Jackson, A., Van Buren, M., Harrison, W. H., Tyler, J., Polk, J. K., Taylor, Z., Filmore, M., Pierce, F., Buchanan, J., Lincoln, A., Johnson, A., Grant, U. S., Hayes, R. B., Garfield, . . . Trump, D.

When creating an in-text citation for a source with 3 or more authors, use “et al.” after the first author’s name. This helps abbreviate the mention.

6th Edition: (Honda, Johnson, Prosser, Rossi, 2019)

7th Edition: (Honda et al., 2019)

Tables and Figures

Instead of having different formats for tables and figures, both use one standardized format. Now both tables and figures have a number, a title, name of the table/figure, and a note at the bottom.

If you’re still typing into Google “how to cite a website APA” among other related questions and keywords, click here for further reading on the style .

When you’re through with your writing, toss your entire paper into the Citation Machine Plus plagiarism checker , which will scan your paper for grammar edits and give you up to 5 suggestions cards for free! Worry less about a determiner , preposition , or adverb out of place and focus on your research!

American Psychological Association. (2020). Publication manual of the American Psychological Association (7th ed.) (2020). American Psychological Association. https://doi.org/10.1037/0000165-000

Updated March 3, 2020

Written and edited by Michele Kirschenbaum and Wendy Ikemoto. Michele Kirschenbaum has been an awesome school librarian since 2006 and is an expert in citing sources. Wendy Ikemoto has a master’s degree in library and information science and has been working for Citation Machine since 2012.

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APA Citation Style

• Citation Examples
• Paper Format
• Style and Grammar Guidelines
• Citation Management Tools
• What's New in the 7th Edition?
• Order of Pages
• Title Page Setup
• Page Header
• Line Spacing
• Paragraph Alignment & Indentation
• Sample Papers
• Accessibility

Consistency in the order, structure, and format of a paper allows readers to focus on a paper’s content rather than its presentation.

To format a paper in APA Style, writers can typically use the default settings and automatic formatting tools of their word-processing program or make only minor adjustments. 

The guidelines for paper format apply to both student assignments and manuscripts being submitted for publication to a journal. If you are using APA Style to create another kind of work (e.g., a website, conference poster, or PowerPoint presentation), you may need to format your work differently in order to optimize its presentation, for example, by using different line spacing and font sizes. Follow the guidelines of your institution or publisher to adapt APA Style formatting guidelines as needed.

Paper format is covered in Chapter 2 of  APA Publication Manual, Seventh Edition

**All information taken from:  https://apastyle.apa.org/style-grammar-guidelines/paper-format

Order of pages is covered in Section 2.17 of the  APA Publication Manual, Seventh Edition

All papers, including student papers, generally include a title page, text, and references. They may include additional elements such as tables and figures depending on the assignment. Student papers generally do not include an abstract unless requested. 

Arrange the pages of an APA Style paper in the following order: 

In general, start each section on a new page. However, the order of pages is flexible in the following cases:

• tables and figures:  Embed tables and figures within the text after they are first mentioned (or “called out”), or place each table and then each figure on separate pages after the references. If an embedded table or figure appears on the same page as text, place it at either the top or the bottom of the page, and insert a blank double-spaced line to separate the table or figure from the adjacent text.
• footnotes: Use the footnotes function of your word-processing program to insert a footnote at the bottom of the page of text on which the footnote appears, or list footnotes together on a separate page after the references.;

Papers such as  dissertations and theses  may require additional elements not listed here. Follow the institutional or departmental guidelines of your university to order the pages of a dissertation or thesis.

A title page is required for all APA Style papers. There are both student and professional versions of the title page. Students should use the student version of the title page unless their instructor or institution has requested they use the professional version. APA provides a  student title page guide (PDF, 199KB)  to assist students in creating their title pages.

Student Title Page

The student title page includes the paper title, author names (the byline), author affiliation, course number and name for which the paper is being submitted, instructor name, assignment due date, and page number, as shown in the following example.

Student papers do not include a running head unless requested by the instructor or institution.

Follow the guidelines described next to format each element of the student title page.

Professional Title Page

The professional title page includes the paper title, author names (the byline), author affiliation(s), author note, running head, and page number, as shown in the following example.

Follow the guidelines described next to format each element of the professional title page.

A variety of fonts are permitted in APA Style papers. Font options include the following:

• sans serif fonts such as 11-point Calibri, 11-point Arial, or 10-point Lucida Sans Unicode
• serif fonts such as 12-point Times New Roman, 11-point Georgia, or normal (10-point) Computer Modern (the default font for LaTeX)

We recommend these fonts because they are legible and widely available and because they include special characters such as math symbols and Greek letters. Historically, sans serif fonts have been preferred for online works and serif fonts for print works; however, modern screen resolutions can typically accommodate either type of font, and people who use assistive technologies can adjust font settings to their preferences. For more on how font relates to accessibility, visit the page on  the accessibility of APA Style .

Use the same font throughout your paper, with the following exceptions:

• figures: Within figure images, use a sans serif font with a type size between 8 and 14 points.
• computer code: To present computer code, use a monospace font such as 10-point Lucida Console or 10-point Courier New.
• footnotes: When inserting footnotes with the footnotes function of your word-processing program, use the default font settings. The footnote font might be smaller than the text font (and have different line spacing), and it is not necessary to change it.

Instructors and publishers vary in how they specify length requirements. Different fonts take up different amounts of space on the page; thus, we recommend using word count rather than page count to gauge paper length if possible.

The page header appears within the top margin of every page of the paper.

• For student papers, the page header consists of the page number only.
• For professional papers, the page header consists of the page number and running head.

Page headers are covered in Section 2.18 of the  APA Publication Manual, Seventh Edition

Page Numbers

Follow these guidelines to include page numbers in both student and professional APA Style papers:

• Use the page-numbering function of your word-processing program to insert page numbers.
• Insert page numbers in the top right corner. The page number should show on all pages.
• The title page carries page number 1.

Running Head

The running head is an abbreviated version of the title of your paper (or the full title if the title is already short). The running head is not required for student papers unless the instructor or institution requests it. Thus, typically only professional papers include a running head.

Follow these guidelines to include a running head in an APA Style paper:

• Type the running head in all-capital letters.
• Ensure the running head is no more than 50 characters, including spaces and punctuation.
• Avoid using abbreviations in the running head; however, the ampersand symbol (&) may be used rather than “and” if desired.
• The running head appears in the same format on every page, including the first page.
• Do not use the label “Running head:” before the running head.
• Align the running head to the left margin of the page header, across from the right-aligned page number.

View the  sample papers  to see how the running head and page number appear in APA Style papers.

In general, double-space all parts of an APA Style paper, including the abstract; text; block quotations; table and figure numbers, titles, and notes; and reference list (including between and within entries). Do not add extra space before or after paragraphs.

Exceptions to double line spacing are as follows:

• title page: Insert a double-spaced blank line between the title and the byline  on the title page . For professional papers, also include at least one double-spaced blank line above the author note (student papers do not include author notes). Double-space the rest of the title page.
• tables: The  table body  (cells) may be single-spaced, one-and-a-half-spaced, or double-spaced, depending on which is the most effective layout for the information. Double-space the table number, title, and notes.
• figures: Words within the  image part of a figure  may be single-spaced, one-and-a-half-spaced, or double-spaced, depending on which is the most effective layout for the information. Double-space the figure number, title, and notes.
• footnotes: When inserting footnotes with the footnotes function of your word-processing program, use the default font settings (usually single-spaced and a slightly smaller font than the text).
• displayed equations: It is permissible to apply triple- or quadruple-spacing in special circumstances, such as before and after a displayed equation.

These guidelines apply to APA Style student papers and to manuscripts being submitted for publication. If you are using APA Style in another context (e.g., on a website or in a formal publication), different line spacing and other formatting specifications may be appropriate.

Use 1-in. margins on every side of the page for an APA Style paper.

However, if you are writing a  dissertation or thesis , your advisor or institution may specify different margins (e.g., a 1.5-in. left margin to accommodate binding).

APA Style includes guidelines for paragraph alignment and indentation to ensure that papers are formatted in a consistent and readable manner. All writers should follow these guidelines.

Paragraph Alignment

Align the text of an APA Style paper to the left margin. Leave the right margin uneven, or “ragged.” Do not use full justification for student papers or manuscripts being submitted for publication.

Do not insert hyphens (manual breaks) in words at the end of line. However, it is acceptable if your word-processing program automatically inserts breaks in long hyperlinks (such as in a DOI or URL in a  reference list entry .

Paragraph Indentation

Indent the first line of each paragraph of text 0.5 in. from the left margin. Use the tab key or the automatic paragraph-formatting function of your word-processing program to achieve the indentation (the default setting is likely already 0.5 in.). Do not use the space bar to create indentation.

Exceptions to these paragraph-formatting requirements are as follows:

• title page: For professional papers, the title (in bold), byline, and affiliations should be centered on the  title page . For student papers, the title (in bold), byline, affiliations, course number and name, instructor, and assignment due date should be centered on the  title page .
• section labels: Section labels (e.g., “Abstract,” “References”) should be centered (and bold).
• abstract: The first line of the abstract should be flush left (not indented).
• block quotations: Indent a whole  block quotation  0.5 in. from the left margin. If the block quotation spans more than one paragraph, the first line of the second and any subsequent paragraphs of the block quotation should be indented another 0.5 in., such that those first lines are indented a total of 1 in.
• headings: Level 1  headings  should be centered (and in bold), and Level 2 and 3 headings should be left-aligned (and in bold or bold italic, respectively). Level 4 and 5 headings are indented like regular paragraphs.
• tables and figures:  Table  and  figure  numbers (in bold), titles (in italics), and notes should be flush left.
• reference list: Reference list entries should have a hanging indent of 0.5 in.
• appendices: Appendix labels and titles should be centered (and bold).

Headings identify the content within sections of a paper.

Make your headings descriptive and concise. Headings that are well formatted and clearly worded aid both visual and nonvisual readers of all abilities.

Levels of Heading

There are five levels of heading in APA Style. Level 1 is the highest or main level of heading, Level 2 is a subheading of Level 1, Level 3 is a subheading of Level 2, and so on through Levels 4 and 5.

The number of headings to use in a paper depends on the length and complexity of the work.

• If only one level of heading is needed, use Level 1.
• If two levels of heading are needed, use Levels 1 and 2.
• If three levels of heading are needed, use Levels 1, 2, and 3 (and so on).

Use only the number of headings necessary to differentiate distinct sections in your paper; short student papers may not require any headings. Furthermore, avoid these common errors related to headings:

• Avoid having only one subsection heading within a section, just like in an outline.
• Do not label headings with numbers or letters.
• Double-space headings; do not switch to single spacing within headings.
• Do not add blank lines above or below headings, even if a heading falls at the end of a page.

Format of Headings

The following table demonstrates how to format headings in APA Style.

Note.  In  title case , most words are capitalized.

Headings in the Introduction

Because the first paragraphs of a paper are understood to be introductory, the heading “Introduction” is not needed. Do not begin a paper with an “Introduction” heading; the paper title at the top of the first page of text acts as a de facto Level 1 heading.

It is possible (but not required) to use headings within the introduction. For subsections within the introduction, use Level 2 headings for the first level of subsection, Level 3 for subsections of any Level 2 headings, and so on. After the introduction (regardless of whether it includes headings), use a Level 1 heading for the next main section of the paper (e.g., Method).

Creating Accessible Headings

Writers who use APA Style may use the automatic headings function of their word-processing program to create headings. This not only simplifies the task of formatting headings but also ensures that headings are coded appropriately in any electronic version of the paper, which aids readers who use navigation tools and assistive technologies such as screen readers. 

Here are some tips on how to create headings in some common word-processing programs:

• If you use  Academic Writer  to write your APA Style papers, the headings menu in the Writing Center will format headings for you in 7th edition APA Style.
• Follow  these headings directions from Microsoft  to customize the heading formats for your future use.
• To apply Level 4 and 5 headings (which are inline headings, meaning the heading appears on the same line as paragraph text), first type the heading and a few words of the text that follows. Then highlight the text that you want to be your heading and select the appropriate heading level from the Styles menu. Only the highlighted text will be formatted as the Level 4 or 5 heading

This page contains several sample papers formatted in seventh edition APA Style.

The following two sample papers were published in annotated format in the Publication Manual and are provided here for your ease of reference. The annotations draw attention to relevant content and formatting and provide users with the relevant sections of the Publication Manual (7th ed.) to consult for more information.

• Annotated Student Sample Paper (PDF, 2MB)
• Annotated Professional Sample Paper (PDF, 3MB)

We also offer these sample papers in Microsoft Word (.docx) file format without the annotations.

• Student Sample Paper (DOCX, 38KB )
• Professional Sample Paper (DOCX, 96KB)

Sample Papers in Real Life

Although published articles differ in format from manuscripts submitted for publication or student papers (e.g., different line spacing, font, margins, and column format), articles published in APA journals provide excellent demonstrations of APA Style in action.

APA journals  will begin publishing papers in seventh edition APA Style in 2020. The transition to seventh edition style will occur over time and on a journal-by-journal basis until all APA journals use the new style. Professional authors should check the author submission guidelines for the journal to which they want to submit their paper to determine the appropriate style to follow.

The APA Style team worked with accessibility experts at  David Berman Communications  to ensure that APA Style guidelines as presented in the Publication Manual (7th ed.) are compliant with  Web Content and Accessibility Guidelines (WCAG) 2.0 Level AA standards . 

Accessible Typography

Here we are going to look at some myths and facts about accessible and usable typography as relevant to APA Style. The main takeaway is this: There do not have to be trade-offs—you can have great, expressive, nuanced typography that also meets or exceeds all regulatory and functional accessibility requirements. To paraphrase David Berman, when we style for the extremes and we do it well, everyone benefits.

Myth 1: Serif Fonts Are Not Accessible

It is a common misconception that serif fonts (e.g., Times New Roman) should be avoided because they are hard to read and that sans serif fonts (e.g., Calibri or Arial) are preferred. Historically, sans serif fonts have been preferred for online works and serif fonts for print works; however, modern screen resolutions can typically accommodate either type of font, and people who use assistive technologies can adjust font settings to their preferences.

Research supports the use of various fonts for different contexts. For example, there are studies that demonstrate how serif fonts are actually superior to sans serif in many long texts (Arditi & Cho, 2005; Tinker, 1963). And there are studies that support sans serif typefaces as superior for people living with certain disabilities (such as certain visual challenges and those who learn differently; Russell-Minda et al., 2007).

However, a skilled designer can create an accessible document that uses serif typefaces effectively, and if structured according to best practice standards, that same document can have its machine text presented in other ways for particular users. For example, a person living with severe dyslexia could choose to have the font swapped in real time with a typeface and spacing that works better for them—thus, there are no trade-offs for the typical user, and the typographic tone of voice that the designer intended for the message is retained. 

Furthermore, typeface selection is only one part of the typographic solution for creating accessible typography. Designers must also make wise choices about other factors including size, color, justification, letter spacing, word spacing, line spacing, character thickness, screen resolution, print readiness, and other audience and media issues. 

Web Content Accessibility Guidelines (WCAG) set standards for online accessibility. WCAG 2.0 Level AA does not set any rules about typeface or type size. It does not specify which typefaces are better than others. There are effective and ineffective serif fonts, just as there are effective and ineffective sans serif fonts. If everyone were to strictly follow the  Canadian National Institute for the Blind  (CNIB) and the  American Council of the Blind  (ACB) guidelines for typography, all text would be in 12-point Arial black. Fortunately, you have the flexibility to choose from a variety of font types and identify which will best suit your work.

Furthermore, depending on your organization, there may be additional standards you have to follow to be in alignment with brand guidelines. And depending upon your jurisdiction, there may be additional regulations you need to follow (e.g., the European Union’s EN 301 549 calls for compliance with WCAG 2.1 Level AA, which includes specifics regarding line and character spacing).

Thus, a variety of  typeface choices  are permitted in APA Style. Also check with your publisher, instructor, or institution for any requirements regarding fonts. We recommend particular fonts in the Publication Manual because they are legible and widely available and because they include special characters such as math symbols and Greek letters. Other fonts can be used with APA Style provided that they also meet these criteria. Thus, users should be able to find a typographic solution that meets their needs.

Myth 2: All Caps Are Not Accessible

Many people have heard that is never accessible to present wording as all-capital lettering; however, this is another myth. Fear not! You can in fact use all caps in an accessible way. 

It is true that presenting text in all caps will slow down all readers, especially those with certain types of visual and/or cognitive impairments. However, making sure you do not break the accessibility of wording by putting it in all caps is actually all about doing something no person reading it will see. Here’s how: Always type words with appropriate capitalization (capitals for the beginning of a sentence and proper nouns, etc., lowercase for other words). Then apply a style or text effect to create the appearance of all caps. Screen-reading devices will then announce the words correctly (as opposed to, e.g., trying to treat them as an initialism or acronym and reading out each word letter by letter). Other assistive technologies or conversions will also work correctly because they have the option to override your style to remove the all-caps style or effect. This puts the power exactly where we want it—in the hands of readers.

In APA Style papers, the running head is the only part of the paper that is written in all-capital letters. The running head appears only in professional papers. If the authors’ manuscript will appear online (e.g., as a preprint in PsyArXiv), authors should use a style or text effect as described here to format the running head in all caps. 

Myth 3: Smart Quotes Are Not Needed

Using inch marks and foot marks (sometimes also called “straight quotes”) instead of proper left and right quotation marks (both double and single, including apostrophes) makes it harder for assistive technologies to understand your content. Imagine a screen reader announcing “inch” or “foot” rather than announcing the beginning or ending of a quotation.

Everyone deserves proper punctuation. So, in your word-processing program, turn on the option for “smart quotes” to help ensure that you are using the proper mark. 

The following examples show the visual difference between straight quotes and proper left and right quotation marks, or smart quotes.

"Straight quotes" “Smart quotes”

⁠Headings  in a document identify the topic or purpose of the content within each section. Headings help all readers become familiar with how a document’s hierarchy is structured and how the content is organized, helping them easily find the information they seek. Headings that are formatted and worded well aid both visual and nonvisual readers of all abilities. Headings must be clearly distinguishable from body text.

How can one then create and use excellent headings (and related body text) for all users, including those using assistive technologies? Read on. 

Purpose of Headings

The functional purpose of headings is to identify the topic of the content within each section. Treat your headings as if they are “landmarks” within the text, guiding readers to their desired destination. Headings allow readers searching for particular information to find it easily; readers looking to understand the scope of a work are able to do so at a glance. 

Also, it is impossible to talk about presenting a truly great heading structure without crossing over into the wording within the headings. Headings should never contain content that is not within the text in the section described by the heading. In other words, if your heading is “How Many Designers Does It Take to Screw in a Lightbulb?” the text in that section must discuss designers and lightbulbs. In academic research papers, standard headings are often used, such as Method, Results, and Discussion. Standard headings allow readers to understand the structure and content of the research being reported. It is best practice to keep headings to 60 characters or less, and 80 at most. This is especially helpful to nonvisual users who could, for example, be using a dynamic Braille display that only presents 80 characters at a time.

When appropriate, headings can, accessibly, include intriguing wording intended to capture readers’ attention, as long as there is also a part of the heading that reveals what is actually present. Just like a book title can include both an intriguing phrase as well as an explanatory phrase (e.g., “Frustration Exemplified: How To Give a Cat a Pill”), you could do the same in a heading. However, context is important: For a “do it yourself” book, this might engage readers and enhance their reading pleasure. For a medical textbook, this might be distracting and even frustrating for readers trying to look up specific information. 

In longer works (e.g., dissertations and theses, books), headings appear in a table of contents. The purpose of the table of contents is to give readers an overview of the entire contents of the text as well as to make them familiar with how the content is organized in sections and subsections. Especially for reference works, this is a vital part of the reader interaction. The table of contents, in essence, is a collection of the headings within the text. Readers use visual style and content to understand the importance of the heading (the hierarchy) and the topic or purpose of the content in the section labeled by the heading. Thus, if you have excellent headings (both in content and in visual style), you will generate an excellent table of contents. For electronic documents, excellent headings will help you generate an excellent navigational structure as well. 

The Publication Manual does not set standards for tables of contents because journal articles and student papers do not contain tables of contents. For works that include a table of contents, such as dissertations and theses, APA recommends that you use the automatic table of contents function of your word-processing program to create the table of contents. Any of the automatic formats are acceptable. Typically the three highest levels of heading within each chapter or section are included in the table of contents; however, this can vary depending on the length and complexity of the work.

Are You Required to Use Heading Styles in Your Work? 

Writers should use heading styles to format and electronically tag headings to help their audience of readers navigate and understand their work. Heading styles also help students create consistently formatted headings.

However, in some cases, using heading styles (vs. manually formatting body text to look like a heading) is optional. The most common case in which it is optional to use heading styles to format text is when authors are submitting a manuscript for publication. Regardless of whether the authors use heading styles in their manuscript, the typesetter will strip the work of all heading styles and implement the headings styles of the publisher. Thus, it is not required for authors to use headings styles in draft manuscripts, but they can if desired. For example, during review, heading styles may help editors and reviewers navigate the work, especially a longer work. 

Likewise, students are not required to use heading styles to format their headings, but they can if desired. For example, if students submit a course assignment on paper, it will not matter whether they used heading styles or manual formatting to create the look of headings. However, if students submit an assignment electronically, it may be helpful to use heading styles to facilitate the instructor’s navigation of their work. 

If writers are self-publishing their work online, it is helpful to use heading styles to assist readers in navigating the work. For further advice on how to use heading styles, particularly when publishing your work online, read  more about accessible typography and style at David Berman Communications .

Inclusion of URLs in Reference Lists

WCAG 2.0 Level AA guidelines recommend that  URLs in online works have descriptive text . For example, in the preceding sentence, the words “URLs in online works have descriptive text” are linked to the page at  https://www.w3.org/TR/UNDERSTANDING-WCAG20/navigation-mechanisms-refs.html .

However, APA Style references include links with anchor text that is simply the destination DOI or URL (vs. anchor text that is natural, descriptive language)—does this mean that APA Style references are not accessible?

APA Style References Meet Accessibility Standards

To answer this question, the APA Style team consulted with accessibility experts at David Berman Communications to develop our strategy for seventh edition references. Although we considered creating references that included descriptive text links (e.g., linking the title of the work), we settled on the current approach for a few reasons:

• A reference list is not meant to be read from start to finish but rather consulted as needed if readers want more information on works cited in the text. Thus any reader—including a person using a screen reader—would not be expected to follow every link in a reference list. Even if the links in the reference list were beneath descriptive text, the list of links in the reference list would not be particularly helpful on its own because those links need the context of the in-text citation for readers to understand why the links are relevant.
• APA Style governs how manuscripts meant for publication and student papers are prepared. These papers might be read either in print or online. Thus, it is helpful to preserve the actual link address to account for the case in which the work is printed. This approach also produces one set of general guidelines rather than multiple sets, which simplifies writers’ task of understanding and implementing the APA Style reference system.

Because reference lists are not meant to be read from start to finish and because works in APA Style may be published either online or in print, our guidelines recommend that links show the DOI or URL of the work rather than be beneath descriptive text. Links in the text (which are relatively rare—they are only used for general mentions of websites) are treated in the same way; the URL should immediately follow the name of the page being linked to. To reduce the length of links,  shortDOIs and shortened URLs  are also acceptable.

Using Descriptive Links in APA Style

Although the Publication Manual addresses how to use APA Style for journal publication and student papers, APA Style is used in other contexts as well. Users who develop online-only resources should adapt APA Style to fit their needs. This adaption includes, but is not limited to, the use of descriptive links throughout texts and reference lists.

For example, on this very webpage and throughout the APA Style website, all links appear beneath descriptive text. Other users of APA Style in online contexts should follow this practice as well.

Likewise, in references, people creating online works in APA Style can put the DOI or URL beneath descriptive text. Some reference databases put DOIs or URLs beneath buttons labeled “Article.” Another approach is to link the title of the work to the work’s URL or DOI, as in the following examples.

American Psychological Association. (2019).  Talking with your children about stress .

Warne, R. T., Astle, M. C., & Hill, J. C. (2018).  What do undergraduates learn about human intelligence? An analysis of introductory psychology textbooks . Archives of Scientific Psychology, 6(1), 32–50.

Accessible Use of Color in Figures

The use of color also presents accessibility concerns. In APA Style, color is most commonly used within figures. It is important that color figures have adequate color contrast to allow users living with color-vision deficiencies (also called “color blindness”) to understand the material. For a thorough description of the accessible use of color, please visit the  page on the accessible use of color in figures .

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APA Style Guides, 7th edition

• Style Guide, citing in APA 7th edition This guide includes citation examples for a variety of sources, information on in-text citations, and a sample reference list.
• APA 7 for Business This is a continuously updated document created by business librarians across the US to give citation examples for common business databases (Mintel, Business Source Premier, IBIS, etc.) and documents (reports, analysis, etc.).
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View the   APA Style website  for additional style and grammar guidelines.

Basic APA Formatting Guidelines 

• Reference list entries are alphabetized by author’s last name or equivalent.
• Reference lists are doubled spaced with a hanging indent after the first line of each entry
• References (in bold) should appear at the top center of the page.
• When referring to books, chapters, articles, or webpage titles , capitalize only the first letter of the first word of a title and subtitle, the first word after a colon or a dash in the title, and proper nouns
• Example: Last, F. M., Last, F. M., & Last, F. M.
• Parenthetical citation: “Direct quote” (Furlong, 2015, p.25).
• Narrative citation, if the author is mentioned in the sentence, place the year after the last name and the page number after the quote. Example: Furlong (2015) found that “direct quote” (p. 25)
• More guidelines can be found in the PDF Style Guide, citing in APA 7th edition . 

APA 7th Annotated Bibliography Examples

Journal article.

Alvarez, N. & Mearns, J. (2014). The benefits of writing and performing in the spoken word poetry community.  The Arts in Psychotherapy, 41 (3), 263-268.  https://doi.org/10.1016/j.aip.2014.03.004 Prior research has shown narrative writing to help with making meaning out of trauma. This article uses grounded theory to analyze semi-structured interviews with ten spoken word poets.  Because spoken word poetry is performed live, it creates personal and community connections that enhance the emotional development and resolution offered by the practice of writing. The findings are limited by the small, nonrandom sample (all the participants were from the same community).

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Citation Management Software: EndNote, Zotero, Mendeley.  All of these programs can:

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Types of APA Papers

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Note:  This page reflects the latest version of the APA Publication Manual (i.e., APA 7), which released in October 2019. The equivalent resource for the older APA 6 style  can be found here .

There are two common types of papers written in fields using APA Style: the literature review and the experimental report. Each has unique requirements concerning the sections that must be included in the paper.

Literature review

A literature review is a critical summary of what the scientific literature says about your specific topic or question. Often student research in APA fields falls into this category. Your professor might ask you to write this kind of paper to demonstrate your familiarity with work in the field pertinent to the research you hope to conduct.

A literature review typically contains the following sections:

• Introduction section
• List of references

Some instructors may also want you to write an abstract for a literature review, so be sure to check with them when given an assignment. Also, the length of a literature review and the required number of sources will vary based on course and instructor preferences.

NOTE: A literature review and an annotated bibliography are not synonymous. If you are asked to write an annotated bibliography, you should consult the Publication Manual of the American Psychological Association for the APA Format for Annotated Bibliographies.

Experimental report

In many of the social sciences, you will be asked to design and conduct your own experimental research. If so, you will need to write up your paper using a structure that is more complex than that used for just a literature review. We have a complete resource devoted to writing an experimental report in the field of psychology here .

This structure follows the scientific method, but it also makes your paper easier to follow by providing those familiar cues that help your reader efficiently scan your information for:

• Why the topic is important (covered in your introduction)
• What the problem is (also covered in your introduction)
• What you did to try to solve the problem (covered in your methods section)
• What you found (covered in your results section)
• What you think your findings mean (covered in your discussion section)

Thus an experimental report typically includes the following sections.

• Introduction
• Appendices(if necessary)
• Tables and/or figures (if necessary)

Make sure to check the guidelines for your assignment or any guidelines that have been given to you by an editor of a journal before you submit a manuscript containing the sections listed above.

As with the literature review, the length of this report may vary by course or by journal, but most often it will be determined by the scope of the research conducted.

Other papers

If you are writing a paper that fits neither of these categories, follow the guidelines about General Format , consult your instructor, or look up advice in the Publication Manual of the American Psychological Association .

When submitting a manuscript to a journal, make sure you follow the guidelines described in the submission policies of that publication, and include as many sections as you think are applicable to presenting your material. Remember to keep your audience in mind as you are making this decision. If certain information is particularly pertinent for conveying your research, then ensure that there is a section of your paper that adequately addresses that information.

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Computer Science > Computer Vision and Pattern Recognition

Title: rethink arbitrary style transfer with transformer and contrastive learning.

Abstract: Arbitrary style transfer holds widespread attention in research and boasts numerous practical applications. The existing methods, which either employ cross-attention to incorporate deep style attributes into content attributes or use adaptive normalization to adjust content features, fail to generate high-quality stylized images. In this paper, we introduce an innovative technique to improve the quality of stylized images. Firstly, we propose Style Consistency Instance Normalization (SCIN), a method to refine the alignment between content and style features. In addition, we have developed an Instance-based Contrastive Learning (ICL) approach designed to understand the relationships among various styles, thereby enhancing the quality of the resulting stylized images. Recognizing that VGG networks are more adept at extracting classification features and need to be better suited for capturing style features, we have also introduced the Perception Encoder (PE) to capture style features. Extensive experiments demonstrate that our proposed method generates high-quality stylized images and effectively prevents artifacts compared with the existing state-of-the-art methods.

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