APA (7th ed.) Citation

Hatch, N. L. (1963). Geology of the London quadrangle, Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Hatch, Norman L. Geology of the London Quadrangle, Kentucky. Reston, Va.: U.S. Geological Survey, 1963.

MLA (9th ed.) Citation

Hatch, Norman L. Geology of the London Quadrangle, Kentucky. U.S. Geological Survey, 1963.

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