APA (7th ed.) Citation

Thaden, R. E., & Lewis, R. Q. (1965). Geology of the Eli quadrangle, Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Thaden, Robert E., and Richard Quintin Lewis. Geology of the Eli Quadrangle, Kentucky. Reston, Va.: U.S. Geological Survey, 1965.

MLA (9th ed.) Citation

Thaden, Robert E., and Richard Quintin Lewis. Geology of the Eli Quadrangle, Kentucky. U.S. Geological Survey, 1965.

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