iLab: APA Guidelines
Welcome to the APA 7th Edition Guidelines Page for your iLab course.
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.
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., Collins, D. C., LaJoie, E., Burgman, R., Bell, R., DelSole, R., Min, D., Zhu, Y., Li, W., Sinsky, E., Guan, H., Gottschalck, J., Metzger, E. J., Barton, N. P., Achuthavarier, D., Marshak, J., Koster, R., . . . Kim, H.
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.
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
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.
an eBook from the Library
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
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 [Photograph]. Flickr. https://flic.kr/p/am5V3U
Izthatu. (2005). Sunset. [Photograph]. Flickr. https://flic.kr/p/53mzC