APA (7th ed.) Citation

Ockerman, D. J., & Petri, B. L. (2001). Hydrologic conditions and water quality in an agricultural area in Kleberg and Nueces counties, Texas, 1996-98. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Ockerman, Darwin J., and Brian L. Petri. Hydrologic Conditions and Water Quality in an Agricultural Area in Kleberg and Nueces Counties, Texas, 1996-98. Austin, Tex.: U.S. Dept. of the Interior, U.S. Geological Survey, 2001.

MLA (9th ed.) Citation

Ockerman, Darwin J., and Brian L. Petri. Hydrologic Conditions and Water Quality in an Agricultural Area in Kleberg and Nueces Counties, Texas, 1996-98. U.S. Dept. of the Interior, U.S. Geological Survey, 2001.