APA (7th ed.) Citation

Montana Bureau of Mines and Geology, Flores, R. M., Belt, E. S., Sakimoto Susan E.H, Rockwell, B. W., Diemer, J. A., . . . Murray, R. C. (1992). Coal geology of Montana. Montana Bureau of Mines and Geology.

Chicago Style (17th ed.) Citation

Montana Bureau of Mines and Geology, et al. Coal Geology of Montana. Butte, Mont.: Montana Bureau of Mines and Geology, 1992.

MLA (9th ed.) Citation

Montana Bureau of Mines and Geology, et al. Coal Geology of Montana. Montana Bureau of Mines and Geology, 1992.