Catholic Church. Pope (1963-1978 : Paul VI) & Baum, G. (1964). Encyclical letter of His Holiness Pope Paul VI: The paths of the church. Paulist Press.
Chicago Style (17th ed.) CitationCatholic Church. Pope (1963-1978 : Paul VI) and Gregory Baum. Encyclical Letter of His Holiness Pope Paul VI: The Paths of the Church. Glen Rock, N.J.: Paulist Press, 1964.
MLA (8th ed.) CitationCatholic Church. Pope (1963-1978 : Paul VI) and Gregory Baum. Encyclical Letter of His Holiness Pope Paul VI: The Paths of the Church. Paulist Press, 1964.
Warning: These citations may not always be 100% accurate.