Cita APA (7a ed.)

Raphael, D. D. (1994). Moral philosophy (2nd. enl. ed.). Oxford University Press.

Cita Chicago Style (17a ed.)

Raphael, David Daiches. Moral Philosophy. 2nd. enl. ed. Oxford [Gran Bretaña] ; New York [Nueva York, Estados Unidos]: Oxford University Press, 1994.

Cita MLA (9a ed.)

Raphael, David Daiches. Moral Philosophy. 2nd. enl. ed. Oxford University Press, 1994.