Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Raphael, D. D. Moral Philosophy. 2nd, enl. ed. Oxford ; New York: Oxford University Press, 1994.

Cita MLA (8th ed.)

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