APA (7th ed.) Citation

Geological Survey (U.S.) & Kentucky Geological Survey. (1900). 7.5 minute series (topographic) [Kentucky]. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Kentucky Geological Survey. 7.5 Minute Series (topographic) [Kentucky]. Reston, Va.: U.S. Geological Survey, 1900.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Kentucky Geological Survey. 7.5 Minute Series (topographic) [Kentucky]. U.S. Geological Survey, 1900.

Warning: These citations may not always be 100% accurate.