Perry, W. J., Rice, D. D., Maughan, E. K., & Miller, B. M. (1982). Petroleum potential of wilderness lands, Montana. U.S. Geological Survey.
Chicago Style (17th ed.) CitationPerry, William J., Dudley D. Rice, Edwin K. Maughan, and Betty M. Miller. Petroleum Potential of Wilderness Lands, Montana. Reston, Va.: U.S. Geological Survey, 1982.
MLA (9th ed.) CitationPerry, William J., et al. Petroleum Potential of Wilderness Lands, Montana. U.S. Geological Survey, 1982.
Warning: These citations may not always be 100% accurate.