APA (7th ed.) Citation

Ruppel, E. T., & Lopez, D. A. (1984). The thrust belt in southwest Montana and east-central Idaho. U.S. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Ruppel, Edward Thompson, and David A. Lopez. The Thrust Belt in Southwest Montana and East-central Idaho. [Reston, Va.]: U.S. Dept. of the Interior, Geological Survey, 1984.

MLA (9th ed.) Citation

Ruppel, Edward Thompson, and David A. Lopez. The Thrust Belt in Southwest Montana and East-central Idaho. U.S. Dept. of the Interior, Geological Survey, 1984.