APA (7th ed.) Citation

Hansen, W. R., & Geological Survey. (1977). Geologic map of the Zenobia Peak quadrangle, Moffat County, Colorado. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Hansen, Wallace R., and Geological Survey. Geologic Map of the Zenobia Peak Quadrangle, Moffat County, Colorado. Reston, Va.: U.S. Geological Survey, 1977.

MLA (8th ed.) Citation

Hansen, Wallace R., and Geological Survey. Geologic Map of the Zenobia Peak Quadrangle, Moffat County, Colorado. U.S. Geological Survey, 1977.

Warning: These citations may not always be 100% accurate.