APA (7th ed.) Zitazioa

Ridley, M. (1996). Evolution (Second edition.). Blackwell Science.

Chicago Style (17th ed.) Zitazioa

Ridley, Mark. Evolution. Second edition. Cambridge: Blackwell Science, 1996.

MLA (9th ed.) Zitazioa

Ridley, Mark. Evolution. Second edition. Blackwell Science, 1996.