APA (7th ed.) Citation

Hackman, R. J. (1956). Photogeologic map of the Mount Peale-4 quadrangle, San Juan County, Utah. The Survey.

Chicago Style (17th ed.) Citation

Hackman, Robert J. Photogeologic Map of the Mount Peale-4 Quadrangle, San Juan County, Utah. Washington, D.C.: The Survey, 1956.

MLA (9th ed.) Citation

Hackman, Robert J. Photogeologic Map of the Mount Peale-4 Quadrangle, San Juan County, Utah. The Survey, 1956.