Cita APA (7th ed.)

Nelson, W. N. (1991). Morality, what's in it for me?: A histori-. Westview Pr.

Cita Chicago (17th ed.)

Nelson, William N. Morality, What's in It for Me?: A Histori-. Boulder, Colo: Westview Pr, 1991.

Cita MLA (9th ed.)

Nelson, William N. Morality, What's in It for Me?: A Histori-. Westview Pr, 1991.

Atenció: Aquestes cites poden no estar 100% correctes.