APA (7th ed.) Citation

Leon, D. D. (1931). Revolutionary Socialism in U.S. Congress: Parliamentary Idiocy vs. Marxian Socialism. New York Labor News Company.

Chicago Style (17th ed.) Citation

Leon, Daniel De. Revolutionary Socialism in U.S. Congress: Parliamentary Idiocy Vs. Marxian Socialism. New York, United States: New York Labor News Company, 1931.

MLA (9th ed.) Citation

Leon, Daniel De. Revolutionary Socialism in U.S. Congress: Parliamentary Idiocy Vs. Marxian Socialism. New York Labor News Company, 1931.