Cita APA (7a ed.)

Catholic Church. Pope (1878-1903 : Leo XIII). (1900). Rerum novarum: Encyclical letter of Pope Leo XIII on the condition of labor. Paulist Press.

Cita Chicago Style (17a ed.)

Catholic Church. Pope (1878-1903 : Leo XIII). Rerum Novarum: Encyclical Letter of Pope Leo XIII on the Condition of Labor. New York: Paulist Press, 1900.

Cita MLA (8a ed.)

Catholic Church. Pope (1878-1903 : Leo XIII). Rerum Novarum: Encyclical Letter of Pope Leo XIII on the Condition of Labor. Paulist Press, 1900.