APA (7th ed.) Citation

Geological Survey (U.S.). Ground-water levels in the United States. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Ground-water Levels in the United States. Washington: Dept. of the Interior, Geological Survey.

MLA (9th ed.) Citation

Geological Survey (U.S.). Ground-water Levels in the United States. Dept. of the Interior, Geological Survey.

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