Cita APA (7a ed.)

Margalef, R. (1985). Key environments: Western Mediterranean. Pergamon Press.

Cita Chicago Style (17a ed.)

Margalef, Ramon. Key Environments: Western Mediterranean. Oxford: Pergamon Press, 1985.

Cita MLA (9a ed.)

Margalef, Ramon. Key Environments: Western Mediterranean. Pergamon Press, 1985.