APA (7th ed.) Citation

Lepper, C. M., Poland, A. P., & Mullis, C. T. (1982). A microseismic system for monitoring slope stability. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Lepper, C. Melvin, Allan P. Poland, and C. Thomas Mullis. A Microseismic System for Monitoring Slope Stability. Pgh. [i.e. Pittsburgh], Pa.: U.S. Dept. of the Interior, Bureau of Mines, 1982.

MLA (9th ed.) Citation

Lepper, C. Melvin, et al. A Microseismic System for Monitoring Slope Stability. U.S. Dept. of the Interior, Bureau of Mines, 1982.