APA (7th ed.) Citation

Kent, R., & Belitz, K. (2012). Groundwater quality in the Upper Santa Ana Watershed study unit, California. U.S. Dept. of the Interior, U.S. Geological Survey, California Water Science Center.

Chicago Style (17th ed.) Citation

Kent, Robert, and Kenneth Belitz. Groundwater Quality in the Upper Santa Ana Watershed Study Unit, California. San Diego, CA: U.S. Dept. of the Interior, U.S. Geological Survey, California Water Science Center, 2012.

MLA (9th ed.) Citation

Kent, Robert, and Kenneth Belitz. Groundwater Quality in the Upper Santa Ana Watershed Study Unit, California. U.S. Dept. of the Interior, U.S. Geological Survey, California Water Science Center, 2012.

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