APA引文

Catholic Church. Pope (1939-1958 : Pius XII), Catholic Church. Pope (1963-1978 : Paul VI), Pius XII, P., & Paul VI, P. (1965). Encyclical letter of His Holiness Pope Pius XII, On devotion to the Sacred Heart: And, Apostolic letter of His Holiness Pope Paul VI, The unfathomable riches of Christ. St. Paul Editions.

Chicago Style (17th ed.) Citation

Catholic Church. Pope (1939-1958 : Pius XII), Catholic Church. Pope (1963-1978 : Paul VI), Pope Pius XII, and Pope Paul VI. Encyclical Letter of His Holiness Pope Pius XII, On Devotion to the Sacred Heart: And, Apostolic Letter of His Holiness Pope Paul VI, The Unfathomable Riches of Christ. Boston: St. Paul Editions, 1965.

MLA引文

Catholic Church. Pope (1939-1958 : Pius XII), et al. Encyclical Letter of His Holiness Pope Pius XII, On Devotion to the Sacred Heart: And, Apostolic Letter of His Holiness Pope Paul VI, The Unfathomable Riches of Christ. St. Paul Editions, 1965.