APA-viite (7. p.)

Gert, B. (1998). Morality: Its nature and justification. Oxford University Press.

Chicago-viite (17. p.)

Gert, Bernard. Morality: Its Nature and Justification. New York: Oxford University Press, 1998.

MLA-viite (9. p.)

Gert, Bernard. Morality: Its Nature and Justification. Oxford University Press, 1998.