Παραπομπή σε μορφή APA (7η εκδ.)

Keating, J. (1925). Catholics and the Problem of Peace with an introduction on the origin and programme of the Catholic Council for International relations by John Eppstein. Oxford.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Keating, Joseph. Catholics and the Problem of Peace with an Introduction on the Origin and Programme of the Catholic Council for International Relations by John Eppstein. Oxford, 1925.

Παραπομπή σε μορφή MLA (8th εκδ.)

Keating, Joseph. Catholics and the Problem of Peace with an Introduction on the Origin and Programme of the Catholic Council for International Relations by John Eppstein. Oxford, 1925.