Catholic Church. Pope & Fremantle, A. J. (1963). The papal encyclicals in their historical context (5th (expanded ed.).). New American Library.
Chicago Style (17th ed.) CitationCatholic Church. Pope i Anne Jackson Fremantle. The Papal Encyclicals in Their Historical Context. 5th (expanded ed.). N.Y.: New American Library, 1963.
Cita MLACatholic Church. Pope i Anne Jackson Fremantle. The Papal Encyclicals in Their Historical Context. 5th (expanded ed.). New American Library, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.