Παραπομπή σε μορφή APA (7η εκδ.)

Catholic Church. Pope (1963-1978 : Paul VI). (1968). Pope Paul on faith and morals: The Credo of the People of God, June 29, 1968 ; Of Human Life (Humanae Vitae), July 29, 1968. Liturgical Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Catholic Church. Pope (1963-1978 : Paul VI). Pope Paul on Faith and Morals: The Credo of the People of God, June 29, 1968 ; Of Human Life (Humanae Vitae), July 29, 1968. Collegeville, Minn.: Liturgical Press, 1968.

Παραπομπή σε μορφή MLA (8th εκδ.)

Catholic Church. Pope (1963-1978 : Paul VI). Pope Paul on Faith and Morals: The Credo of the People of God, June 29, 1968 ; Of Human Life (Humanae Vitae), July 29, 1968. Liturgical Press, 1968.