Cita APA

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

Chicago Style (17th ed.) Citation

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

Cita MLA

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