APA (7th ed.) Zitazioa

Volpe, E. P. (1993). Biology and human concerns (4th ed.). Wm.C.Brown.

Chicago Style (17th ed.) Zitazioa

Volpe, E. Peter. Biology and Human Concerns. 4th ed. Dubuque: Wm.C.Brown, 1993.

MLA (9th ed.) Zitazioa

Volpe, E. Peter. Biology and Human Concerns. 4th ed. Wm.C.Brown, 1993.