APA (7th ed.) Citation

Rocky Mountain Association of Geologists, Peterson, J. A., & Longman, M. W. (1987). Williston Basin, anatomy of a cratonic oil province. Rocky Mountain Association of Geologists.

Chicago Style (17th ed.) Citation

Rocky Mountain Association of Geologists, James A. Peterson, and Mark W. Longman. Williston Basin, Anatomy of a Cratonic Oil Province. Denver, Colo.: Rocky Mountain Association of Geologists, 1987.

MLA (9th ed.) Citation

Rocky Mountain Association of Geologists, et al. Williston Basin, Anatomy of a Cratonic Oil Province. Rocky Mountain Association of Geologists, 1987.