Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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