APA (7th ed.) Citation

Barr, G. L. (1992). Ground-water contamination potential and quality in Polk County, Florida. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Barr, G. L. Ground-water Contamination Potential and Quality in Polk County, Florida. Tallahassee, Fla.: U.S. Dept. of the Interior, U.S. Geological Survey, 1992.

MLA (9th ed.) Citation

Barr, G. L. Ground-water Contamination Potential and Quality in Polk County, Florida. U.S. Dept. of the Interior, U.S. Geological Survey, 1992.