Treacy, G. C. (1939). Five Great Encyclicals. Labor - education - marriage - reconstructing the social order - atheistic communism. New York.
Chicago Style (17th ed.) CitationTreacy, Gerald C. Five Great Encyclicals. Labor - Education - Marriage - Reconstructing the Social Order - Atheistic Communism. New York, 1939.
MLA (8th ed.) CitationTreacy, Gerald C. Five Great Encyclicals. Labor - Education - Marriage - Reconstructing the Social Order - Atheistic Communism. New York, 1939.
Warning: These citations may not always be 100% accurate.