Cita APA (7a ed.)

Green, T. H., & Brink, D. O. (2003). Prolegomena to ethics (New ed.). Clarendon Press.

Cita Chicago Style (17a ed.)

Green, Thomas Hill, y David O. Brink. Prolegomena to Ethics. New ed. Oxford: Clarendon Press, 2003.

Cita MLA (9a ed.)

Green, Thomas Hill, y David O. Brink. Prolegomena to Ethics. New ed. Clarendon Press, 2003.