APA (7th ed.) Zitazioa

Volpe & E. Peter. (1993). Biology and Human Concerns (4th ed.). Wm. C. Brown Publishers.

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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