Cita APA

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

Citación estilo Chicago

Catholic 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.

Cita MLA

Catholic Church. Pope, et al. The Papal Encyclicals in Their Historical Context. 5th (expanded ed.). New American Library, 1963.