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.
Cita Chicago Style (17a ed.)Leo 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.
Cita MLA (8a ed.)Leo 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.
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