APA (7th ed.) Citation

Streufert, R. K., Widmann, B. L., Kirkham, R. M., & Colorado Geological Survey. (2008). Geologic map of the Basalt quadrangle, Eagle, Garfield, and Pitkin counties, Colorado. Colorado Geological Survey.

Chicago Style (17th ed.) Citation

Streufert, Randall K., Beth L. Widmann, Robert M. Kirkham, and Colorado Geological Survey. Geologic Map of the Basalt Quadrangle, Eagle, Garfield, and Pitkin Counties, Colorado. Denver, CO: Colorado Geological Survey, 2008.

MLA (8th ed.) Citation

Streufert, Randall K., et al. Geologic Map of the Basalt Quadrangle, Eagle, Garfield, and Pitkin Counties, Colorado. Colorado Geological Survey, 2008.