APA (7th ed.) Citation

(1976). Hydrologic unit map 1974 State of Tennessee (Compiled 1957. Revised 1973.). U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Hydrologic Unit Map 1974 State of Tennessee. Compiled 1957. Revised 1973. Reston, Virginia: U.S. Geological Survey, 1976.

MLA (9th ed.) Citation

Hydrologic Unit Map 1974 State of Tennessee. Compiled 1957. Revised 1973. U.S. Geological Survey, 1976.

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