Cita APA (7a ed.)

Elton, C. S. (1966). The ecology of animals. Methuen.

Cita Chicago Style (17a ed.)

Elton, Charles S. The Ecology of Animals. London: Methuen, 1966.

Cita MLA (8a ed.)

Elton, Charles S. The Ecology of Animals. Methuen, 1966.