Citazione Stile APA (7a Edizione)

Gunstream, S. E., & Babcock, S. J. (1995). Biology: Understanding life (2nd ed.). Mosby.

Citazione stile Chigago Style (17a edizione)

Gunstream, Stanley E., e Sandra J. Babcock. Biology: Understanding Life. 2nd ed. St. Louis: Mosby, 1995.

Citatione MLA (9a ed.)

Gunstream, Stanley E., e Sandra J. Babcock. Biology: Understanding Life. 2nd ed. Mosby, 1995.