APA (7th ed.) Citation

Harrel, R. C., & Duplechin, J. L. (1976). Stream bottom organisms as indicators of ecological change: Phase II. Texas Water Resources Institute, Texas A&M University.

Chicago Style (17th ed.) Citation

Harrel, Richard Cunningham, and Joseph L. Duplechin. Stream Bottom Organisms as Indicators of Ecological Change: Phase II. [Austin]: Texas Water Resources Institute, Texas A&M University, 1976.

MLA (9th ed.) Citation

Harrel, Richard Cunningham, and Joseph L. Duplechin. Stream Bottom Organisms as Indicators of Ecological Change: Phase II. Texas Water Resources Institute, Texas A&M University, 1976.