Παραπομπή σε μορφή APA (7η εκδ.)

John XXIII, P. (1961). St. Joseph = the worker: Pope John's message to workers May 1, 1960. National Catholic Welfare Conference.

Παραπομπή σε μορφή Chicago (17η εκδ.)

John XXIII, Pope. St. Joseph = the Worker: Pope John's Message to Workers May 1, 1960. Washington: National Catholic Welfare Conference, 1961.

Παραπομπή σε μορφή MLA (8th εκδ.)

John XXIII, Pope. St. Joseph = the Worker: Pope John's Message to Workers May 1, 1960. National Catholic Welfare Conference, 1961.