United States. Bureau of Mines. (1925). Information circular. U.S. Dept. of the Interior, Bureau of Mines.
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines. Information Circular. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1925.
MLA (8th ed.) CitationUnited States. Bureau of Mines. Information Circular. U.S. Dept. of the Interior, Bureau of Mines, 1925.
Warning: These citations may not always be 100% accurate.