APA (7th ed.) Citation

Fretwell, J. D. (1983). Ground-water resources of coastal Citrus, Hernando, and southwestern Levy counties, Florida. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Fretwell, J. D. Ground-water Resources of Coastal Citrus, Hernando, and Southwestern Levy Counties, Florida. Tallahassee, Florida: U.S. Geological Survey, 1983.

MLA (9th ed.) Citation

Fretwell, J. D. Ground-water Resources of Coastal Citrus, Hernando, and Southwestern Levy Counties, Florida. U.S. Geological Survey, 1983.