APA (7th ed.) Citation

Perry, W. J., Maughan, E. K., & Rice, D. D. (1983). Petroleum potential of Wilderness Lands in Montana. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Perry, William J., Edwin K. Maughan, and Dudley D. Rice. Petroleum Potential of Wilderness Lands in Montana. [Reston, Virginia]: United States Department of the Interior, Geological Survey, 1983.

MLA (9th ed.) Citation

Perry, William J., et al. Petroleum Potential of Wilderness Lands in Montana. United States Department of the Interior, Geological Survey, 1983.