APA (7th ed.) Citation

Hackman, R. J. (1956). Photogeologic map of the Mount Peale-8 quadrangle, San Juan County, Utah, and Montrose County, Colorado. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Hackman, Robert J. Photogeologic Map of the Mount Peale-8 Quadrangle, San Juan County, Utah, and Montrose County, Colorado. Washington, D.C.: U.S. Geological Survey, 1956.

MLA (9th ed.) Citation

Hackman, Robert J. Photogeologic Map of the Mount Peale-8 Quadrangle, San Juan County, Utah, and Montrose County, Colorado. U.S. Geological Survey, 1956.