Cita APA (7a ed.)

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..

Cita Chicago Style (17a ed.)

Catholic 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.

Cita MLA (8a ed.)

Catholic 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.