United States. Department of Commerce. (1911). Electrical section of Bureau of Mines: Its purpose and equipment. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Commerce. Electrical Section of Bureau of Mines: Its Purpose and Equipment. [Washington]: GPO, 1911.
MLA (9th ed.) CitationUnited States. Department of Commerce. Electrical Section of Bureau of Mines: Its Purpose and Equipment. GPO, 1911.
Warning: These citations may not always be 100% accurate.