APA (7th ed.) Citation

Steffeck, D. W., & Striegl, R. G. (1989). An inventory and evaluation of biological investigations that relate to stream-water quality in the upper Illinois River basin of Illinois, Indiana, and Wisconsin. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Steffeck, Donald W., and Robert G. Striegl. An Inventory and Evaluation of Biological Investigations That Relate to Stream-water Quality in the Upper Illinois River Basin of Illinois, Indiana, and Wisconsin. Denver, Colorado: U.S. Geological Survey, 1989.

MLA (9th ed.) Citation

Steffeck, Donald W., and Robert G. Striegl. An Inventory and Evaluation of Biological Investigations That Relate to Stream-water Quality in the Upper Illinois River Basin of Illinois, Indiana, and Wisconsin. U.S. Geological Survey, 1989.