APA (7th ed.) Zitazioa

Ridley, M. (2007). Evolution (2nd ed.). Oxford University Press.

Chicago Style (17th ed.) Zitazioa

Ridley, Mark. Evolution. 2nd ed. New York: Oxford University Press, 2007.

MLA (9th ed.) Zitazioa

Ridley, Mark. Evolution. 2nd ed. Oxford University Press, 2007.