Catholic Church. Pope (1939-1958 : Pius XII). (1950). Humani generis: Encyclical letter of Pope Pius XII concerning some false opinions which treaten to undermine the foundations of Catholic doctrine. National Catholic Welfare Conference.
Cita Chicago Style (17a ed.)Catholic Church. Pope (1939-1958 : Pius XII). Humani Generis: Encyclical Letter of Pope Pius XII Concerning Some False Opinions Which Treaten to Undermine the Foundations of Catholic Doctrine. Washington, D.C.: National Catholic Welfare Conference, 1950.
Cita MLA (8a ed.)Catholic Church. Pope (1939-1958 : Pius XII). Humani Generis: Encyclical Letter of Pope Pius XII Concerning Some False Opinions Which Treaten to Undermine the Foundations of Catholic Doctrine. National Catholic Welfare Conference, 1950.