APA (7th ed.) Citation

Geological Survey (U.S.). (1970). State of Alabama, shaded relief (Ed. of 1970.). The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). State of Alabama, Shaded Relief. Ed. of 1970. Washington, D.C.: The Survey, 1970.

MLA (9th ed.) Citation

Geological Survey (U.S.). State of Alabama, Shaded Relief. Ed. of 1970. The Survey, 1970.