Catholic Church. Pope (1878-1903 : Leo XIII). (1978). Humanum genus: Encyclical letter of His Holiness Pope Leo XIII on Freemasonry, April 20, 1884. Tan Books and Publishers, Inc..
Chicago Style (17th ed.) CitationCatholic Church. Pope (1878-1903 : Leo XIII). Humanum Genus: Encyclical Letter of His Holiness Pope Leo XIII on Freemasonry, April 20, 1884. Rockford, Illinois: Tan Books and Publishers, Inc., 1978.
MLA (8th ed.) CitationCatholic Church. Pope (1878-1903 : Leo XIII). Humanum Genus: Encyclical Letter of His Holiness Pope Leo XIII on Freemasonry, April 20, 1884. Tan Books and Publishers, Inc., 1978.
Warning: These citations may not always be 100% accurate.