Citazione Stile APA (7a Edizione)

Rachels, J. (1993). The elements of moral philosophy (2nd.ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Rachels, James. The Elements of Moral Philosophy. 2nd.ed. New York: McGraw-Hill, 1993.

Citatione MLA (9a ed.)

Rachels, James. The Elements of Moral Philosophy. 2nd.ed. McGraw-Hill, 1993.