APA (7th ed.) Citation

Schertz, T. L., Wells, F. C., & Ohe, D. J. (1994). Sources of trends in water-quality data for selected streams in Texas, 1975-89 water years. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Schertz, Terry L., Frank C. Wells, and Dane J. Ohe. Sources of Trends in Water-quality Data for Selected Streams in Texas, 1975-89 Water Years. Austin, Texas: U.S. Geological Survey, 1994.

MLA (9th ed.) Citation

Schertz, Terry L., et al. Sources of Trends in Water-quality Data for Selected Streams in Texas, 1975-89 Water Years. U.S. Geological Survey, 1994.