APA (7th ed.) Zitazioa

Ruse, M. (2008). Charles Darwin. Blackwell Pub..

Chicago Style (17th ed.) Zitazioa

Ruse, Michael. Charles Darwin. Malden, MA: Blackwell Pub., 2008.

MLA (9th ed.) Zitazioa

Ruse, Michael. Charles Darwin. Blackwell Pub., 2008.