Cita APA (7th ed.)

Ricklefs, R. E. (1979). Ecology (2nd ed.). Chiron Press.

Cita Chicago (17th ed.)

Ricklefs, Robert E. Ecology. 2nd ed. Newton, Mass.: Chiron Press, 1979.

Cita MLA (9th ed.)

Ricklefs, Robert E. Ecology. 2nd ed. Chiron Press, 1979.