4. How to cite in APA when there are multiple authors?

Reference List: Author/Authors

  • Single Author. Last name first, followed by author initials.
  • Two Authors. List by their last names and initials.
  • Three to Twenty Authors. List by last names and initials; commas separate author names, while the last author name is preceded again by ampersand.
  • More Than Twenty Authors.
  • Group Author.
  • Unknown Author.