APA (7th ed.) Citation

Gualtieri, J. L. (1967). Geologic map of the Crab Orchard quadrangle, Lincoln County, Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Gualtieri, J. L. Geologic Map of the Crab Orchard Quadrangle, Lincoln County, Kentucky. Washington, D.C.: U.S. Geological Survey, 1967.

MLA (9th ed.) Citation

Gualtieri, J. L. Geologic Map of the Crab Orchard Quadrangle, Lincoln County, Kentucky. U.S. Geological Survey, 1967.