APA (7th ed.) Citation

Cullins, H. L. (1969). Geologic map of the Mellen Hill quadrangle, Rio Blanco and Moffat Counties, Colorado. The Survey.

Chicago Style (17th ed.) Citation

Cullins, Henry L. Geologic Map of the Mellen Hill Quadrangle, Rio Blanco and Moffat Counties, Colorado. Washington, D.C.: The Survey, 1969.

MLA (9th ed.) Citation

Cullins, Henry L. Geologic Map of the Mellen Hill Quadrangle, Rio Blanco and Moffat Counties, Colorado. The Survey, 1969.