APA (7th ed.) Citation

Roper, R. E., & Grady, C. P. L. (1976). Evaluation of activated sludge control techniques through pilot plant and computer analyses. Purdue University, Water Resources Research Center.

Chicago Style (17th ed.) Citation

Roper, Ralph E., and C. P. Leslie Grady. Evaluation of Activated Sludge Control Techniques Through Pilot Plant and Computer Analyses. West Lafayette, Ind.: Purdue University, Water Resources Research Center, 1976.

MLA (9th ed.) Citation

Roper, Ralph E., and C. P. Leslie Grady. Evaluation of Activated Sludge Control Techniques Through Pilot Plant and Computer Analyses. Purdue University, Water Resources Research Center, 1976.