Cita APA (7a ed.)

Von Hildebrand, D. (1953). Christian ethics. David McKay Company.

Cita Chicago Style (17a ed.)

Von Hildebrand, Dietrich. Christian Ethics. New York: David McKay Company, 1953.

Cita MLA (9a ed.)

Von Hildebrand, Dietrich. Christian Ethics. David McKay Company, 1953.