Citazione APA

Catholic Church. Pope (1922-1939 : Pius XI). (1937). The Church in Germany. National Catholic Welfare Conference.

Stile di citazione Chicago

Catholic Church. Pope (1922-1939 : Pius XI). The Church in Germany. Washington, D.C.: National Catholic Welfare Conference, 1937.

Citazione MLA

Catholic Church. Pope (1922-1939 : Pius XI). The Church in Germany. National Catholic Welfare Conference, 1937.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.