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.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.