APA (7th ed.) Citation

Ratcliffe, N. M. (1974). Bedrock geologic map of the State Line quadrangle, Columbia County, New York, and Berkshire County, Massachusetts. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Ratcliffe, Nicholas M. Bedrock Geologic Map of the State Line Quadrangle, Columbia County, New York, and Berkshire County, Massachusetts. Washington, D.C.: U.S. Geological Survey, 1974.

MLA (9th ed.) Citation

Ratcliffe, Nicholas M. Bedrock Geologic Map of the State Line Quadrangle, Columbia County, New York, and Berkshire County, Massachusetts. U.S. Geological Survey, 1974.

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