Citazione Stile APA (7a Edizione)

Rachels, J. (1999). The elements of moral philosophy (3rd ed.). McGraw-Hill College.

Citazione stile Chigago Style (17a edizione)

Rachels, James. The Elements of Moral Philosophy. 3rd ed. Boston: McGraw-Hill College, 1999.

Citatione MLA (8a ed.)

Rachels, James. The Elements of Moral Philosophy. 3rd ed. McGraw-Hill College, 1999.