Cita APA (7th ed.)

May, R. M. (1981). Theoretical ecology: Principles and applications (Segunda edición.). Blackwell.

Cita Chicago (17th ed.)

May, Robert M. Theoretical Ecology: Principles and Applications. Segunda edición. Oxford: Blackwell, 1981.

Cita MLA (9th ed.)

May, Robert M. Theoretical Ecology: Principles and Applications. Segunda edición. Blackwell, 1981.