APA (7th ed.) Citation

Powell, J. A., & Watson, R. A. (1976). Seismic detection of trapped miners using in-mine geophones. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Powell, James A., and Richard A. Watson. Seismic Detection of Trapped Miners Using In-mine Geophones. [Washington]: U.S. Dept. of the Interior, Bureau of Mines, 1976.

MLA (9th ed.) Citation

Powell, James A., and Richard A. Watson. Seismic Detection of Trapped Miners Using In-mine Geophones. U.S. Dept. of the Interior, Bureau of Mines, 1976.