United States. Department of Commerce. (1919). Metal-mine accidents in U.S. during calendar year 1919, with supplemental labor and accident tables for years 1911 to 1919, inclusive. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Commerce. Metal-mine Accidents in U.S. During Calendar Year 1919, with Supplemental Labor and Accident Tables for Years 1911 to 1919, Inclusive. [Washington]: GPO, 1919.
MLA (9th ed.) CitationUnited States. Department of Commerce. Metal-mine Accidents in U.S. During Calendar Year 1919, with Supplemental Labor and Accident Tables for Years 1911 to 1919, Inclusive. GPO, 1919.
Warning: These citations may not always be 100% accurate.