APA

Hildebrand D. v., . (1953). Christian ethics. New York: McKay.

Chicago

Hildebrand Dietrich von, . 1953. Christian ethics. New York: McKay.

Harvard

Hildebrand D. v., . (1953). Christian ethics. New York: McKay.

MLA

Hildebrand Dietrich von, . Christian ethics. New York: McKay. 1953.