Catholic Church. Pope, Fremantle, A. J., Hebblethwaite, M., & Hebblethwaite, P. (1963). The papal encyclicals in their historical context (5th (expanded ed.).). New American Library.
Chicago Style (17th ed.) CitationCatholic Church. Pope, Anne Jackson Fremantle, Margaret Hebblethwaite, and Peter Hebblethwaite. The Papal Encyclicals in Their Historical Context. 5th (expanded ed.). N.Y.: New American Library, 1963.
MLA (8th ed.) CitationCatholic Church. Pope, et al. The Papal Encyclicals in Their Historical Context. 5th (expanded ed.). New American Library, 1963.
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