Cita APA (7a ed.)

Rachels, J. (1991). Created from animals: The moral implications of Darwinism. University Press.

Cita Chicago Style (17a ed.)

Rachels, James. Created from Animals: The Moral Implications of Darwinism. Oxford [etc.]: University Press, 1991.

Cita MLA (9a ed.)

Rachels, James. Created from Animals: The Moral Implications of Darwinism. University Press, 1991.