APA (7th ed.) Citation

Warren, C. R. (1970). Surficial geologic map of the Litchfield quadrangle, Litchfield County, Connecticut. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Warren, Charles Reynolds. Surficial Geologic Map of the Litchfield Quadrangle, Litchfield County, Connecticut. Reston, Va.: U.S. Geological Survey, 1970.

MLA (9th ed.) Citation

Warren, Charles Reynolds. Surficial Geologic Map of the Litchfield Quadrangle, Litchfield County, Connecticut. U.S. Geological Survey, 1970.

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