APA (7th ed.) Citation

Geological Survey (U.S.) & McLean, H. (1995). Geologic map of the Tar Spring Ridge quadrangle, San Luis Obispo County, California. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Hugh McLean. Geologic Map of the Tar Spring Ridge Quadrangle, San Luis Obispo County, California. Reston, VA: The Survey, 1995.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Hugh McLean. Geologic Map of the Tar Spring Ridge Quadrangle, San Luis Obispo County, California. The Survey, 1995.

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