APA (7th ed.) Citation

Lewis, R. Q. (1967). Geologic map of the Frogue quadrangle, Kentucky-Tennessee. The Survey.

Chicago Style (17th ed.) Citation

Lewis, Richard Quintin. Geologic Map of the Frogue Quadrangle, Kentucky-Tennessee. Washington, D.C.: The Survey, 1967.

MLA (9th ed.) Citation

Lewis, Richard Quintin. Geologic Map of the Frogue Quadrangle, Kentucky-Tennessee. The Survey, 1967.

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