Cita APA (7a ed.)

Darwall, S. L. (2002). Virtue ethics. Blackwell Pub.

Cita Chicago Style (17a ed.)

Darwall, Stephen L. Virtue Ethics. Oxford, UK ; Malden, MA: Blackwell Pub, 2002.

Cita MLA (9a ed.)

Darwall, Stephen L. Virtue Ethics. Blackwell Pub, 2002.