APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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