APA (7th ed.) Citation

Helfritch, D., Bortz, S. (., Beittel, R. (. S. C., & Energy, U. S. D. o. (1991). Proof of concept testing of an integrated dry injection system for SO2/NOx control. Research-Cottrell, Inc., Somerville, NJ (United States).

Chicago Style (17th ed.) Citation

Helfritch, D.J, S.J. (Research-Cottrell Bortz, R. (Riley Stoker Corp Beittel, and United States. Department of Energy. Proof of Concept Testing of an Integrated Dry Injection System for SO2/NOx Control. Research-Cottrell, Inc., Somerville, NJ (United States), 1991.

MLA (9th ed.) Citation

Helfritch, D.J, et al. Proof of Concept Testing of an Integrated Dry Injection System for SO2/NOx Control. Research-Cottrell, Inc., Somerville, NJ (United States), 1991.