Cita APA (7a ed.)

Longtin, L. F., & Peach, A. J. (2016). An introduction to Catholic ethics (14th printing.). NCEA.

Cita Chicago Style (17a ed.)

Longtin, Lucien F., y Andrew J. Peach. An Introduction to Catholic Ethics. 14th printing. Arlington, VA: NCEA, 2016.

Cita MLA (9a ed.)

Longtin, Lucien F., y Andrew J. Peach. An Introduction to Catholic Ethics. 14th printing. NCEA, 2016.