APA (7th ed.) Citation

Hackman, R. J. (1955). Photogeologic map of the Aneth-4 quadrangle, San Juan County, Utah. The Survey.

Chicago Style (17th ed.) Citation

Hackman, Robert J. Photogeologic Map of the Aneth-4 Quadrangle, San Juan County, Utah. Washington, D.C.: The Survey, 1955.

MLA (9th ed.) Citation

Hackman, Robert J. Photogeologic Map of the Aneth-4 Quadrangle, San Juan County, Utah. The Survey, 1955.