APA (7th ed.) Citation

Schafer, J. P. (1965). Surficial geologic map of the Watch Hill quadrangle, Rhode Island-Connecticut. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Schafer, John P. Surficial Geologic Map of the Watch Hill Quadrangle, Rhode Island-Connecticut. Washington, D.C.: U.S. Geological Survey, 1965.

MLA (9th ed.) Citation

Schafer, John P. Surficial Geologic Map of the Watch Hill Quadrangle, Rhode Island-Connecticut. U.S. Geological Survey, 1965.