APA (7th ed.) Zitazioa

Campbell, N. A. (1993). Biology (3rd ed.). The Benjamin\Cummings.

Chicago Style (17th ed.) Zitazioa

Campbell, Neil A. Biology. 3rd ed. California: The Benjamin\Cummings, 1993.

MLA (9th ed.) Zitazioa

Campbell, Neil A. Biology. 3rd ed. The Benjamin\Cummings, 1993.