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.
Style de citation Chicago (17e éd.)Tobacco Root Geological Society. Field Conference, Richard B. Berg, et 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.
Style de citation MLA (8e éd.)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.
Attention : ces citations peuvent ne pas être correctes à 100%.