APA (7th ed.) Citation

Vallier, T. L. (1977). The Permian and Triassic Seven Devils Group, western Idaho and northeastern Oregon. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Vallier, Tracy L. The Permian and Triassic Seven Devils Group, Western Idaho and Northeastern Oregon. [Washington, D.C.]: United States Department of the Interior, Geological Survey, 1977.

MLA (9th ed.) Citation

Vallier, Tracy L. The Permian and Triassic Seven Devils Group, Western Idaho and Northeastern Oregon. United States Department of the Interior, Geological Survey, 1977.