APA (7th ed.) Citation

Maxwell, C. H. (1964). Geology of the Knifley quadrangle, Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Maxwell, Charles H. Geology of the Knifley Quadrangle, Kentucky. Washington, D.C.: U.S. Geological Survey, 1964.

MLA (9th ed.) Citation

Maxwell, Charles H. Geology of the Knifley Quadrangle, Kentucky. U.S. Geological Survey, 1964.

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