APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (8. izdanje)

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