Catholic Church. Pope & Schaefer, M. C. (1936). A papal peace mosaic, 1878-1936: Excerpts from the messages of Popes Leo XIII, Pius X, Benedict XV and Pius XI. The Paulist Press.
Chicago-Zitierstil (17. Ausg.)Catholic Church. Pope und Mary Catherine Schaefer. A Papal Peace Mosaic, 1878-1936: Excerpts from the Messages of Popes Leo XIII, Pius X, Benedict XV and Pius XI. New York: The Paulist Press, 1936.
MLA-Zitierstil (8. Ausg.)Catholic Church. Pope und Mary Catherine Schaefer. A Papal Peace Mosaic, 1878-1936: Excerpts from the Messages of Popes Leo XIII, Pius X, Benedict XV and Pius XI. The Paulist Press, 1936.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.