Leo XIII, P. C. C. P. (1884). On the Sect of Free Masons, Encyclical Letter of Our Holy Father by Divine Providence Pope Leo the Thirteenth. Philadelphia.
Chicago Style (17th ed.) CitationLeo XIII, Pope; Catholic Church. Pope. On the Sect of Free Masons, Encyclical Letter of Our Holy Father by Divine Providence Pope Leo the Thirteenth. Philadelphia, 1884.
MLA (8th ed.) CitationLeo XIII, Pope; Catholic Church. Pope. On the Sect of Free Masons, Encyclical Letter of Our Holy Father by Divine Providence Pope Leo the Thirteenth. Philadelphia, 1884.
Warning: These citations may not always be 100% accurate.