APA (7th ed.) Citation

Geological Survey (U.S.) & Van Loenen, R. E. (1990). Mineral resources of the Willow Creek and Skull Creek Wilderness Study Areas, Moffat County, Colorado. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Richard E. Van Loenen. Mineral Resources of the Willow Creek and Skull Creek Wilderness Study Areas, Moffat County, Colorado. [Reston, Va.]: Dept. of the Interior, U.S. Geological Survey, 1990.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Richard E. Van Loenen. Mineral Resources of the Willow Creek and Skull Creek Wilderness Study Areas, Moffat County, Colorado. Dept. of the Interior, U.S. Geological Survey, 1990.