APA-viite (7. p.)

Williams, G. C. (1992). Natural selection: Domains, levels, and challenges. Oxford university press.

Chicago-viite (17. p.)

Williams, George C. Natural Selection: Domains, Levels, and Challenges. New York: Oxford university press, 1992.

MLA-viite (9. p.)

Williams, George C. Natural Selection: Domains, Levels, and Challenges. Oxford university press, 1992.