APA (7th ed.) Citation

Peper, J. D. (1977). Bedrock geologic map of the Monson quadrangle, Massachusetts and Connecticut. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Peper, John D. Bedrock Geologic Map of the Monson Quadrangle, Massachusetts and Connecticut. Reston, Va.: U.S. Geological Survey, 1977.

MLA (9th ed.) Citation

Peper, John D. Bedrock Geologic Map of the Monson Quadrangle, Massachusetts and Connecticut. U.S. Geological Survey, 1977.