Παραπομπή σε μορφή APA (7η εκδ.)

Pius, P. C. C. P. (1937). The church in Germany, encyclical letter of His Holiness, Pope Pius XI (Vatican Press translation) issued March 14, 1937. Washington, D.C..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Pius, Pope; Catholic Church. Pope. The Church in Germany, Encyclical Letter of His Holiness, Pope Pius XI (Vatican Press Translation) Issued March 14, 1937. Washington, D.C., 1937.

Παραπομπή σε μορφή MLA (8th εκδ.)

Pius, Pope; Catholic Church. Pope. The Church in Germany, Encyclical Letter of His Holiness, Pope Pius XI (Vatican Press Translation) Issued March 14, 1937. Washington, D.C., 1937.