Παραπομπή σε μορφή APA (7η εκδ.)

National Conference of Catholic Charities (U.S.) & Society of St. Vincent de Paul (U.S.). (1940). Invitation: Twenty-sixth meeting, National Conference Catholic Charities and the annual meeting, the Society of St. Vincent de Paul, Chicago, Illinois, Nov. 17-20, 1940. [publisher not identified].

Παραπομπή σε μορφή Chicago (17η εκδ.)

National Conference of Catholic Charities (U.S.) και Society of St. Vincent de Paul (U.S.). Invitation: Twenty-sixth Meeting, National Conference Catholic Charities and the Annual Meeting, the Society of St. Vincent De Paul, Chicago, Illinois, Nov. 17-20, 1940. [Chicago, Ill.]: [publisher not identified], 1940.

Παραπομπή σε μορφή MLA (8th εκδ.)

National Conference of Catholic Charities (U.S.) και Society of St. Vincent de Paul (U.S.). Invitation: Twenty-sixth Meeting, National Conference Catholic Charities and the Annual Meeting, the Society of St. Vincent De Paul, Chicago, Illinois, Nov. 17-20, 1940. [publisher not identified], 1940.