APA (7th ed.) Citation

Slagle, S. E. (1983). Water resources of the Fort Union Coal Region, east-central Montana. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Slagle, Steven E. Water Resources of the Fort Union Coal Region, East-central Montana. Helena, Montana: U.S. Geological Survey, 1983.

MLA (9th ed.) Citation

Slagle, Steven E. Water Resources of the Fort Union Coal Region, East-central Montana. U.S. Geological Survey, 1983.