APA (7th ed.) Citation

Krohn, D. H., Weist, M. M., Geological Survey (U.S.), United States. Forest Service., & United States. Bureau of Land Management. (1977). Principal information on Montana mines. Montana College of Mineral Science and Technology.

Chicago Style (17th ed.) Citation

Krohn, Douglas H., Margaret Mlynarczyk Weist, Geological Survey (U.S.), United States. Forest Service, and United States. Bureau of Land Management. Principal Information On Montana Mines. Butte, Mont: Montana College of Mineral Science and Technology, 1977.

MLA (8th ed.) Citation

Krohn, Douglas H., et al. Principal Information On Montana Mines. Montana College of Mineral Science and Technology, 1977.