APA (7th ed.) Citation

Richards, P. W. (1964). Geology of the Smiths Grove quadrangle, Kentucky. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Richards, Paul W. Geology of the Smiths Grove Quadrangle, Kentucky. Washington, D.C.: U.S. Geological Survey, 1964.

MLA (9th ed.) Citation

Richards, Paul W. Geology of the Smiths Grove Quadrangle, Kentucky. U.S. Geological Survey, 1964.

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