Catholic Church. Pope (1878-1903 : Leo XIII). (1900). Rerum novarum: Encyclical letter of Pope Leo XIII on the condition of labor. Paulist Press.
Chicago-Zitierstil (17. Ausg.)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.
MLA-Zitierstil (8. Ausg.)Catholic Church. Pope (1878-1903 : Leo XIII). Rerum Novarum: Encyclical Letter of Pope Leo XIII on the Condition of Labor. Paulist Press, 1900.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.