APA (7th ed.) Citation

Klemic, H. (1967). Geologic map of the Hopkinsville quadrangle, Christian County, Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Klemic, Harry. Geologic Map of the Hopkinsville Quadrangle, Christian County, Kentucky. Washington, D.C.: U.S. Geological Survey, 1967.

MLA (9th ed.) Citation

Klemic, Harry. Geologic Map of the Hopkinsville Quadrangle, Christian County, Kentucky. U.S. Geological Survey, 1967.