APA (7th ed.) Citation
American Water Works Association, ebrary, Inc, & Stubbart, J. M. (2006). AWWA wastewater operator field guide. American Water Works Association.
Chicago Style (17th ed.) Citation
American Water Works Association, Inc ebrary, and John M. Stubbart. AWWA Wastewater Operator Field Guide. Denver, Colo.: American Water Works Association, 2006.
MLA (9th ed.) Citation
American Water Works Association, et al. AWWA Wastewater Operator Field Guide. American Water Works Association, 2006.
Warning: These citations may not always be 100% accurate.