Campbell, L. M., Stone, D. K., & Shareef, G. S. (1991). Sourcebook, NOx control technology data. Air and Energy Engineering Research Laboratory, U.S. Environmental Protection Agency.
Chicago Style (17th ed.) CitationCampbell, Lisa M., Diana K. Stone, and Gunseli Sagun Shareef. Sourcebook, NOx Control Technology Data. Research Triangle Park, N.C.: Air and Energy Engineering Research Laboratory, U.S. Environmental Protection Agency, 1991.
MLA (9th ed.) CitationCampbell, Lisa M., et al. Sourcebook, NOx Control Technology Data. Air and Energy Engineering Research Laboratory, U.S. Environmental Protection Agency, 1991.
Warning: These citations may not always be 100% accurate.