Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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