APA (7th ed.) Citation

Powell, J. A., & United States. Bureau of Mines. (1976). An electromagnetic system for detecting and locating trapped miners. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Powell, James A., and United States. Bureau of Mines. An Electromagnetic System for Detecting and Locating Trapped Miners. Washington: U.S. Dept. of the Interior, Bureau of Mines, 1976.

MLA (8th ed.) Citation

Powell, James A., and United States. Bureau of Mines. An Electromagnetic System for Detecting and Locating Trapped Miners. U.S. Dept. of the Interior, Bureau of Mines, 1976.