Covay, K. J., Stranathan, H. E., & Tobin, R. L. (1985). Benthic invertebrates in selected streams of the Piceance Creek Basin, northwestern Colorado, water years 1977-81. U.S. Geological Survey.
Chicago Style (17th ed.) CitationCovay, Kenneth J., Helen E. Stranathan, and Robert L. Tobin. Benthic Invertebrates in Selected Streams of the Piceance Creek Basin, Northwestern Colorado, Water Years 1977-81. Lakewood, Colorado: U.S. Geological Survey, 1985.
MLA (9th ed.) CitationCovay, Kenneth J., et al. Benthic Invertebrates in Selected Streams of the Piceance Creek Basin, Northwestern Colorado, Water Years 1977-81. U.S. Geological Survey, 1985.
Warning: These citations may not always be 100% accurate.