APA (7th ed.) Citation

Mixon, R. B. (1965). Geologic map of the Haddix quadrangle, eastern Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Mixon, Robert B. Geologic Map of the Haddix Quadrangle, Eastern Kentucky. Washington, D.C.: U.S. Geological Survey, 1965.

MLA (9th ed.) Citation

Mixon, Robert B. Geologic Map of the Haddix Quadrangle, Eastern Kentucky. U.S. Geological Survey, 1965.