Cita APA (7a ed.)

Hildebrand, D. v. (1972). Ethics. Franciscan Herald Press.

Cita Chicago Style (17a ed.)

Hildebrand, Dietrich von. Ethics. Chicago: Franciscan Herald Press, 1972.

Cita MLA (9a ed.)

Hildebrand, Dietrich von. Ethics. Franciscan Herald Press, 1972.