APA (7th ed.) Zitazioa

Campbell, N. A. (2011). Biology (11th ed.). Pearson Education.

Chicago Style (17th ed.) Zitazioa

Campbell, Neil A. Biology. 11th ed. Boston: Pearson Education, 2011.

MLA (9th ed.) Zitazioa

Campbell, Neil A. Biology. 11th ed. Pearson Education, 2011.