Cita APA (7th ed.)
Wellman ,Carl. (1975). Morals and Ethics (ed.). Scott, Forsman and Co..
Cita Chicago (17th ed.)
Wellman ,Carl. Morals and Ethics. ed. Illonois: Scott, Forsman and Co., 1975.
Cita MLA (9th ed.)
Wellman ,Carl. Morals and Ethics. ed. Scott, Forsman and Co., 1975.
Atenció: Aquestes cites poden no estar 100% correctes.