APA-viite (7. p.)

West, S., Pen, I., & Griffin, A. (2002). Cooperation and competition between relatives.

Chicago-viite (17. p.)

West, SA, I. Pen, ja A. Griffin. Cooperation and Competition Between Relatives. 2002.

MLA-viite (9. p.)

West, SA, et al. Cooperation and Competition Between Relatives. 2002.