Παραπομπή σε μορφή APA (7η εκδ.)

John XXIII, P. (1961). 1961 Christmas message: Address given ... on December 21, 1961. National Catholic Welfare Conference.

Παραπομπή σε μορφή Chicago (17η εκδ.)

John XXIII, Pope. 1961 Christmas Message: Address Given ... on December 21, 1961. Washington: National Catholic Welfare Conference, 1961.

Παραπομπή σε μορφή MLA (8th εκδ.)

John XXIII, Pope. 1961 Christmas Message: Address Given ... on December 21, 1961. National Catholic Welfare Conference, 1961.