APA
Paul IV P., . (1964). His Church. Ecclesiam suam : Encyclical letter of His Holiness Pope Paul VI. Boston: St. Paul Edition.
Chicago
Paul IV Pope, . 1964. His Church. Ecclesiam suam : Encyclical letter of His Holiness Pope Paul VI. Boston: St. Paul Edition.
Harvard
Paul IV P., . (1964). His Church. Ecclesiam suam : Encyclical letter of His Holiness Pope Paul VI. Boston: St. Paul Edition.
MLA
Paul IV Pope, . His Church. Ecclesiam suam : Encyclical letter of His Holiness Pope Paul VI. Boston: St. Paul Edition. 1964.
