APA (7th ed.) Citation

United States. Bureau of Mines & Roepke, W. W. (1983). Bureau of Mines coal cutting technology facilities at the Twin Cities Research Center. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

United States. Bureau of Mines and Wallace W. Roepke. Bureau of Mines Coal Cutting Technology Facilities at the Twin Cities Research Center. Pgh. [i.e. Pittsburgh], Pa.: U.S. Dept. of the Interior, Bureau of Mines, 1983.

MLA (9th ed.) Citation

United States. Bureau of Mines and Wallace W. Roepke. Bureau of Mines Coal Cutting Technology Facilities at the Twin Cities Research Center. U.S. Dept. of the Interior, Bureau of Mines, 1983.