APA (7th ed.) Citation

Roehler, H. W. (1972). Geologic map of the Razorback Ridge quadrangle, Rio Blanco and Garfield Counties, Colorado. Geological Survey.

Chicago Style (17th ed.) Citation

Roehler, Henry W. Geologic Map of the Razorback Ridge Quadrangle, Rio Blanco and Garfield Counties, Colorado. Washington: Geological Survey, 1972.

MLA (8th ed.) Citation

Roehler, Henry W. Geologic Map of the Razorback Ridge Quadrangle, Rio Blanco and Garfield Counties, Colorado. Geological Survey, 1972.