APA (7th ed.) Citation

Lewis, R. Q., & Thaden, R. E. (1964). Geology of the Montpelier quadrangle, Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Lewis, Richard Quintin, and Robert E. Thaden. Geology of the Montpelier Quadrangle, Kentucky. Reston, Va.: U.S. Geological Survey, 1964.

MLA (9th ed.) Citation

Lewis, Richard Quintin, and Robert E. Thaden. Geology of the Montpelier Quadrangle, Kentucky. U.S. Geological Survey, 1964.

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