APA (7th ed.) Citation

Obermeier, S. F. (1979). Slope stability map of Fairfax County, Virginia. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Obermeier, Stephen F. Slope Stability Map of Fairfax County, Virginia. Reston, Va.: U.S. Geological Survey, 1979.

MLA (9th ed.) Citation

Obermeier, Stephen F. Slope Stability Map of Fairfax County, Virginia. U.S. Geological Survey, 1979.

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