APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.