APA (7th ed.) Citation

Catholic Church. Pope (1939-1958 : Pius XII), National Catholic Welfare Conference, & Pius XII, P. (1950). Humani generis: Encyclical letter of Pope Pius XII concerning some false opinions which threaten to undermine the foundations of Catholic doctrine. National Catholic Welfare Conference.

Chicago Style (17th ed.) Citation

Catholic Church. Pope (1939-1958 : Pius XII), National Catholic Welfare Conference, and Pope Pius XII. Humani Generis: Encyclical Letter of Pope Pius XII Concerning Some False Opinions Which Threaten to Undermine the Foundations of Catholic Doctrine. Washington, D.C.: National Catholic Welfare Conference, 1950.

MLA (8th ed.) Citation

Catholic Church. Pope (1939-1958 : Pius XII), et al. Humani Generis: Encyclical Letter of Pope Pius XII Concerning Some False Opinions Which Threaten to Undermine the Foundations of Catholic Doctrine. National Catholic Welfare Conference, 1950.