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APA Citation Style: APA Guidelines

Last Updated: Nov 21, 2024 12:13 PM

Welcome

Welcome to the APA 7th Edition Guidelines Page.

Please refer to the formulas below for formatting a proper citation. Take note that this is an abbreviated guide. 

For more information, navigate to the Purdue Online Writing Lab or EasyBib: APA Format for Students & Researchers.

If you have any questions, please contact the librarian associated with your iLab section.

More than One Author in a Citation

A Work by Two Authors - List the authors by their last names and initials. Make sure to use the ampersand (&) instead of "and"

Last Name, First Initial., & Last Name, First Initial.

ex) Smith, J., & Morrison, C.


Three to Twenty Authors - List the authors by last names and initials. Make sure to separate the author names with commas and the last author will have an ampersand (&) before it

ex) Pearson, J., Morrison, C., Stevens, W., West, R., Collete, H., & Buzan, T.


More  Than 20 Authors - List the authors by last names and initials. Make sure to separate the author names with commas. After the twentieth author's name, use an ellipsis ( . . . ) instead of author names. Lastly, provide the final author's name.

ex) Pegion, K., Kirtman, B. P., Becker, E., Danson, T. E., Schleder, K., Arcanine, R. R., Dracon, X. T., Argo, J., Halstetter, S., Certinan, D., Fornito, J., Wilkie, I., Olewniczak, W. D., Haugeto, D., Sam, T., Hammer, M., Cardamon, E., Justice, V., Kilbride, S., Bender, M., ... Kim, H.

Websites

A Full Website:

The Buffalo History Museum. (2019). http://www.buffalohistory.org/ 


A Page on a Website with an Author:

Fong, J. (2017). Clay pot snowman tutorial. eHow.
http://www.ehow.com/13661861/clay-pot-snowman-tutorial 


A Page on a Website without an Author - start with the title instead:

Allergies: Basic info you need to know. (2020). WebMD. 
Retrieved March 18, 2020, from http://www.webmd.com/allergies/allergy-basics 

 

Note: only include Retrieved [date] from when the page's content is likely to change or be updated.

a News or Magazine Article from a Database

Author’s Last name, First initial. Middle initial. (Year, Month Day). Title of the article. Title of the Newspaper. 

Dewey, C. (2017, December 1). London plans to ban fast-food outlets near schools. Washington Post. 

Note: if the article is contained in an academic research database (for example, Academic Search Complete or InfoTrac Newsstand) and does not have a DOI, do NOT include database information or the URL.

a Physical Book from the Library

Last Name, First initial. Middle initial. (2015) Title of book: Capital letter if there is a subtitle. Publisher.

Jones, M. (2015). An age of inquiry. Penguin Books.

an eBook from the Library

Last Name, First initial. Middle initial. (Year of Publication). Title of ebook: Subtitle if there is one. Publisher. URL

Hill, C. V. (2010). Tap dancing America: A cultural history. Oxford University Press.

 

Note: if the ebook is contained in an academic research database (for example, Ebook Central), do NOT include database information or the URL.

Scholarly Journal Article Citations

Journal Article from a Database with DOI available:

Last, First initial. (Date). Title of work. Name of journal, volume number(issue number if available), page range. DOI

Landes, T. (2010). Fresh water fisheries in the Great Lakes. Great Lakes Studies,
21(1), 5-13. https://doi.org/10.1002/tox.20155 


Journal Article from a Database with no DOI available:

Last, First initial. (Date). Title of work. Name of journal, volume number(issue number if available), page range.

Landes, T. (2010). Fresh water fisheries in the Great Lakes. Great Lakes Studies, 21(1), 5-13. 

an Image from a Website

Last Name, First Initial or username. (Year of creation). Title of image or [Description of image] [Type of work]. Website Title. URL

van Stratum, B. (2011). [Lightning storm] [Photograph]. Flickr. https://flic.kr/p/am5V3U

Izthatu. (2005). Sunset [Photograph]. Flickr. https://flic.kr/p/53mzC