APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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