APA (7th ed.) Citation

Jillson, W. R. (1929). Geologic map of Kentucky. Kentucky Geological Survey.

Chicago Style (17th ed.) Citation

Jillson, Willard Rouse. Geologic Map of Kentucky. [Frankfort, Ky.]: Kentucky Geological Survey, 1929.

MLA (9th ed.) Citation

Jillson, Willard Rouse. Geologic Map of Kentucky. Kentucky Geological Survey, 1929.

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