More than twenty authors

Important: Confirm with your lecturer whether you are using APA 6th or APA 7th as they are slightly different.

In-text citations


  • Use only the first listed family name followed by et al. (a Latin abbreviation meaning ‘and others’) and year of publication.

Lodish et al. (2013) identified . . .

Direct quote

Place direct quotes between double quotation marks " " and provide the page number(s) from the book.

Lodish et al. (2013) state that "proteins, the workhorses of the cell, are the most abundant and functionally versatile of the cellular macromolecules" (p. 6).

Reference list


Author. (Year). Title: Subtitle (# ed., Vol. #). Publisher.

  • List the first nineteen authors followed by three ellipsis points (. . .) then the last author.
  • If the book has a DOI, include this even if you consulted the print version.