APA (7th ed.) Citation

Geological Survey (U.S.) & Wallace, C. A. (1989). Rocks and structure of the southern Sapphire Mountains, Granite and Ravalli Counties, western Montana. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and C. A. Wallace. Rocks and Structure of the Southern Sapphire Mountains, Granite and Ravalli Counties, Western Montana. [Reston, Va.]: Dept. of the Interior, U.S. Geological Survey, 1989.

MLA (9th ed.) Citation

Geological Survey (U.S.) and C. A. Wallace. Rocks and Structure of the Southern Sapphire Mountains, Granite and Ravalli Counties, Western Montana. Dept. of the Interior, U.S. Geological Survey, 1989.

Warning: These citations may not always be 100% accurate.