Catholic Church. Pope (1963-1978 : Paul VI) & Paul VI, P. (1967). Apostolic letter on the fourth centenary of the birth of St. Francis de Sales, Doctor of the Church, January 29, 1967. United States Catholic Conference.
Chicago Style (17th ed.) CitationCatholic Church. Pope (1963-1978 : Paul VI) and Pope Paul VI. Apostolic Letter on the Fourth Centenary of the Birth of St. Francis De Sales, Doctor of the Church, January 29, 1967. Washington, D.C.: United States Catholic Conference, 1967.
MLA (8th ed.) CitationCatholic Church. Pope (1963-1978 : Paul VI) and Pope Paul VI. Apostolic Letter on the Fourth Centenary of the Birth of St. Francis De Sales, Doctor of the Church, January 29, 1967. United States Catholic Conference, 1967.
Warning: These citations may not always be 100% accurate.