Leo XIII, P. C. C. P. (1891). Encyclical letter of Our Holy Father, by divine providence Pope Leo XIII on the condition of labor. Baltimore.
Chicago Style (17th ed.) CitationLeo XIII, Pope; Catholic Church. Pope. Encyclical Letter of Our Holy Father, by Divine Providence Pope Leo XIII on the Condition of Labor. Baltimore, 1891.
MLA (8th ed.) CitationLeo XIII, Pope; Catholic Church. Pope. Encyclical Letter of Our Holy Father, by Divine Providence Pope Leo XIII on the Condition of Labor. Baltimore, 1891.
Warning: These citations may not always be 100% accurate.