APA (7th ed.) Citation

Swadley, W. C. (1969). Geologic map of parts of the Patriot and Florence quadrangles, north-central Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Swadley, W. C. Geologic Map of Parts of the Patriot and Florence Quadrangles, North-central Kentucky. Reston, Va.: U.S. Geological Survey, 1969.

MLA (9th ed.) Citation

Swadley, W. C. Geologic Map of Parts of the Patriot and Florence Quadrangles, North-central Kentucky. U.S. Geological Survey, 1969.