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APA Citation Guide, 7th edition: Journal Article 21 or more Authors

Digital Object Identifier (DOI) (pp. 298-300)

DOI

What is a DOI? A DOI (digital object identifier) is a unique alphanumeric string assigned by a registration agency (the International DOI Foundation) to identify content and provide a persistent link to its location on the internet. 

NOTE: It is regarded as the most important part of the citation because it will accurately direct users to the specific article.

Think of it as a "digital fingerprint" or an article's DNA!

FYI - Updated rules on using DOI (January 2020):

Correct:  

  • https://doi.org/10.1186/1471-2288-12-114

Incorrect:     

  • http://doi:10.1186/1471-2288-12-114
  • doi:10.1186/1471-2288-12-114
  • doi:http://doi:10.1186/1471-2288-12-114
  • Retrieved from http://doi:10.1186/1471-2288-12-114

Journal Article with 21 or More Authors (p. 317)

Helpful Tips:
 

DOI: If a journal article has a Digital Object Identifier (DOI) listed, you will always include this identifier in your reference.  You will not have to include the URL of the journal's home page or of the database from which you retrieved the article if a DOI is available.

Online Database: If you viewed a journal article in an online databaseand it does not have a DOI, you do not include a url for the article or database (p. 299).

Print: If you viewed a journal article in its print format, be sure to check if it has a DOI listed.  If it does not, your reference to the article would end after you provide the page range of the article.

Date: When possible, include the year, month, and date in references. If the month and date are not available, use the year of publication.

         
 
 
General Format 
 
      In-Text Citation (Paraphrase): 
      (Author Surname et al., Year)
     
      In-Text Citation (Quotation):
      (Author Surname et al., Year, page number)
 
 
      References:
Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., Author Surname, First Initial. Second Initial., ... Author Surname, First Initial. Second Initial. (Year). Article title: Subtitle. Journal Title, Volume(issue), page range. https://doi.org/xxxxx[if available] OR URL of article if retrieve form a website
 
Example
 
     More than 20 authors - If the article has more than twenty authors, list the names of the first nineteen authors followed by ... and then the last author's name in the reference entry (p. 286).
 
      In-Text Citation (Quotation):
      (Yonkers et al., 2001, p. 1859)
 
      References:
Dulvy, N. K., Fowler, S. L., Musick, J. A., Cavanagh, R. D., Kyne, P. M., Harrison, L. R., Carlson, J. K., Davidson, L. N. K., Fordham, S. V., Francis, M. P., Pollock, C. M., Simpfendorfer, C. A., Burgess, G. H., Carpenter, K.E., Compagno, L. J. V., Ebert, D. A., Gibson, C., Heupel, M. R., Livingstone, S. R.,  . . . White, W. T. (2014, January 21). Extinction risk and conservation of the world's sharks and rays. eLife, (2014)3, Article e00590. https://doi.org/10.7554/eLife.00590.001
 

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