Catholic Church. Pope (1922-1939 : Pius XI) & National Catholic Welfare Conference. (1942). Quadragesimo anno: Encyclical letter on reconstructing the social order. National Catholic Welfare Conference.
Chicago-Zitierstil (17. Ausg.)Catholic Church. Pope (1922-1939 : Pius XI) und National Catholic Welfare Conference. Quadragesimo Anno: Encyclical Letter on Reconstructing the Social Order. Washington, D.C.: National Catholic Welfare Conference, 1942.
MLA-Zitierstil (8. Ausg.)Catholic Church. Pope (1922-1939 : Pius XI) und National Catholic Welfare Conference. Quadragesimo Anno: Encyclical Letter on Reconstructing the Social Order. National Catholic Welfare Conference, 1942.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.