APA引文

Catholic Church. Pope & Fremantle, A. J. (1963). The papal encyclicals in their historical context (5th (expanded ed.).). New American Library.

Chicago Style (17th ed.) Citation

Catholic Church. Pope and Anne Jackson Fremantle. The Papal Encyclicals in Their Historical Context. 5th (expanded ed.). N.Y.: New American Library, 1963.

MLA引文

Catholic Church. Pope and Anne Jackson Fremantle. The Papal Encyclicals in Their Historical Context. 5th (expanded ed.). New American Library, 1963.