Style de citation APA (7e éd.)

Cotter, A. C. (1947). Natural species: An essay in definition and classification. Weston College Press.

Style de citation Chicago (17e éd.)

Cotter, A. C. Natural Species: An Essay in Definition and Classification. Weston, Mass.: Weston College Press, 1947.

Style de citation MLA (8e éd.)

Cotter, A. C. Natural Species: An Essay in Definition and Classification. Weston College Press, 1947.