APA (7th ed.) Zitazioa

Kant, I., & Gregor, M. (1996). The metaphysics of morals. Cambridge University Press.

Chicago Style (17th ed.) Zitazioa

Kant, Immanuel, eta Mary Gregor. The Metaphysics of Morals. New York: Cambridge University Press, 1996.

MLA (9th ed.) Zitazioa

Kant, Immanuel, eta Mary Gregor. The Metaphysics of Morals. Cambridge University Press, 1996.