United States. Department of Commerce. (1912). Monthly statement of coal-mine accidents in U.S., Jan. to Aug. 1912, and statistics for 1910 and 1911. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Commerce. Monthly Statement of Coal-mine Accidents in U.S., Jan. to Aug. 1912, and Statistics for 1910 and 1911. [Washington]: GPO, 1912.
MLA (9th ed.) CitationUnited States. Department of Commerce. Monthly Statement of Coal-mine Accidents in U.S., Jan. to Aug. 1912, and Statistics for 1910 and 1911. GPO, 1912.
Warning: These citations may not always be 100% accurate.