Cita APA (7a ed.)

Wadell, P. J. (1989). Friendship and the Moral Life. University of Notre Dame Press.

Cita Chicago Style (17a ed.)

Wadell, Paul J. Friendship and the Moral Life. Notre Dame, Ind.: University of Notre Dame Press, 1989.

Cita MLA (8a ed.)

Wadell, Paul J. Friendship and the Moral Life. University of Notre Dame Press, 1989.