Cita APA (7a ed.)

Willett, C. (2014). Interspecies ethics. Columbia University Press.

Cita Chicago Style (17a ed.)

Willett, Cynthia. Interspecies Ethics. New York: Columbia University Press, 2014.

Cita MLA (8a ed.)

Willett, Cynthia. Interspecies Ethics. Columbia University Press, 2014.