APA (7th ed.) Citation

Dyman, T. S., & Nichols, D. J. (1988). Stratigraphy of mid-Cretaceous Blackleaf and lower part of the Frontier formations in parts of Beaverhead and Madison counties, Montana. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Dyman, T. S., and Douglas J. Nichols. Stratigraphy of Mid-Cretaceous Blackleaf and Lower Part of the Frontier Formations in Parts of Beaverhead and Madison Counties, Montana. [Reston, Va.]: Department of the Interior, U.S. Geological Survey, 1988.

MLA (9th ed.) Citation

Dyman, T. S., and Douglas J. Nichols. Stratigraphy of Mid-Cretaceous Blackleaf and Lower Part of the Frontier Formations in Parts of Beaverhead and Madison Counties, Montana. Department of the Interior, U.S. Geological Survey, 1988.