APA (7th ed.) Citation

Geological Survey (U.S.). (1968). State of West Virginia, shaded relief (Ed. of 1968.). U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). State of West Virginia, Shaded Relief. Ed. of 1968. Washington, D.C.: U.S. Geological Survey, 1968.

MLA (9th ed.) Citation

Geological Survey (U.S.). State of West Virginia, Shaded Relief. Ed. of 1968. U.S. Geological Survey, 1968.