APA (7th ed.) Citation

Geological Survey (U.S.), Virginia. Division of Mineral Resources, Schultz, A. P., Bartholomew, M. J., & Lewis, S. E. (1991). Map showing surficial and generalized bedrock geology and accompanying side-looking airborne radar image of the Radford 30ʹ x 60ʹ quadrangle, Virginia and West Virginia. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Virginia. Division of Mineral Resources, Arthur P. Schultz, Mervin J. Bartholomew, and Sharon E. Lewis. Map Showing Surficial and Generalized Bedrock Geology and Accompanying Side-looking Airborne Radar Image of the Radford 30ʹ X 60ʹ Quadrangle, Virginia and West Virginia. Reston, Va.: The Survey, 1991.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Map Showing Surficial and Generalized Bedrock Geology and Accompanying Side-looking Airborne Radar Image of the Radford 30ʹ X 60ʹ Quadrangle, Virginia and West Virginia. The Survey, 1991.