Cita APA (7a ed.)

Hittinger, R. (2017). Popes Leo XIII and Pius XI. Christianity and family law, 323-343.

Cita Chicago Style (17a ed.)

Hittinger, Russell. "Popes Leo XIII and Pius XI." Christianity and Family Law 2017: 323-343.

Cita MLA (9a ed.)

Hittinger, Russell. "Popes Leo XIII and Pius XI." Christianity and Family Law, 2017, pp. 323-343.

Precaución: Estas citas no son 100% exactas.