Citazione Stile APA (7a Edizione)

Rachels, J., & Rachels, S. (2012). Problems from philosophy (3rd ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Rachels, James, e Stuart Rachels. Problems from Philosophy. 3rd ed. New York, NY: McGraw-Hill, 2012.

Citatione MLA (9a ed.)

Rachels, James, e Stuart Rachels. Problems from Philosophy. 3rd ed. McGraw-Hill, 2012.