United States. Department of Labor. Office of the Secretary. (1920). Proceedings of 1st Industrial Conference (called by President), Oct. 6 to 23, 1919. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Labor. Office of the Secretary. Proceedings of 1st Industrial Conference (called by President), Oct. 6 to 23, 1919. Washington: U.S. GPO, 1920.
MLA (9th ed.) CitationUnited States. Department of Labor. Office of the Secretary. Proceedings of 1st Industrial Conference (called by President), Oct. 6 to 23, 1919. U.S. GPO, 1920.
Warning: These citations may not always be 100% accurate.