Citazione Stile APA (7a Edizione)

May, R. M. (1976). Theoretical ecology: Principles and applications. W.B. Saunders Company.

Citazione stile Chigago Style (17a edizione)

May, Robert M. Theoretical Ecology: Principles and Applications. Philadelphia: W.B. Saunders Company, 1976.

Citatione MLA (9a ed.)

May, Robert M. Theoretical Ecology: Principles and Applications. W.B. Saunders Company, 1976.