APA (7th ed.) Citation

United States. Army Topographic Command & Geological Survey (U.S.). (1973). Eastern United States 1: 250,000 (1956, revised 1970.). Interior--Geological Survey.

Chicago Style (17th ed.) Citation

United States. Army Topographic Command and Geological Survey (U.S.). Eastern United States 1: 250,000. 1956, revised 1970. Washington, D.C.: Interior--Geological Survey, 1973.

MLA (9th ed.) Citation

United States. Army Topographic Command and Geological Survey (U.S.). Eastern United States 1: 250,000. 1956, revised 1970. Interior--Geological Survey, 1973.

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