United States. Department of Commerce. (1912). Quarry accidents in U.S. during calendar year 1912. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Commerce. Quarry Accidents in U.S. During Calendar Year 1912. [Washington]: GPO, 1912.
MLA (9th ed.) CitationUnited States. Department of Commerce. Quarry Accidents in U.S. During Calendar Year 1912. GPO, 1912.
Warning: These citations may not always be 100% accurate.