APA (7th ed.) Citation

Tobacco Root Geological Society. Field Conference, Berg, R. B., & Breuninger, R. (1987). Guidebook of the Helena area, west-central Montana. Montana Bureau of Mines and Geology, Montana College of Mineral Science and Technology.

Chicago Style (17th ed.) Citation

Tobacco Root Geological Society. Field Conference, Richard B. Berg, and Ray Breuninger. Guidebook of the Helena Area, West-central Montana. Butte, Mont.: Montana Bureau of Mines and Geology, Montana College of Mineral Science and Technology, 1987.

MLA (8th ed.) Citation

Tobacco Root Geological Society. Field Conference, et al. Guidebook of the Helena Area, West-central Montana. Montana Bureau of Mines and Geology, Montana College of Mineral Science and Technology, 1987.

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