Cita APA (7a ed.)

Hildebrand, D. v., Von Hildebrand, A., & Kreeft, P. (2017). The art of living (3rd ed.). Hildebrand Press.

Cita Chicago Style (17a ed.)

Hildebrand, Dietrich von, Alice Von Hildebrand, y Peter Kreeft. The Art of Living. 3rd ed. Ohio: Hildebrand Press, 2017.

Cita MLA (9a ed.)

Hildebrand, Dietrich von, et al. The Art of Living. 3rd ed. Hildebrand Press, 2017.