APA (7th ed.) Citation

Geological Survey (U.S.), Kentucky Geological Survey, Taylor, A. R., & Lewis, R. Q. (1971). Geologic map of the Liberty quadrangle, Casey County, Kentucky. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Kentucky Geological Survey, Alfred R. Taylor, and Richard Quintin Lewis. Geologic Map of the Liberty Quadrangle, Casey County, Kentucky. Washington, D.C.: The Survey, 1971.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Geologic Map of the Liberty Quadrangle, Casey County, Kentucky. The Survey, 1971.