APA (7th ed.) Citation

Rowley, P. D., Hansen, W. R., & Geological Survey. (1979). Geologic map of the Plug Hat Rock quadrangle, Moffat County, Colorado. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Rowley, Peter D., Wallace R. Hansen, and Geological Survey. Geologic Map of the Plug Hat Rock Quadrangle, Moffat County, Colorado. Reston, Va.: U.S. Geological Survey, 1979.

MLA (8th ed.) Citation

Rowley, Peter D., et al. Geologic Map of the Plug Hat Rock Quadrangle, Moffat County, Colorado. U.S. Geological Survey, 1979.