Cita APA

American Water Works Association, ebrary, Inc, Stubbart, J. M., Lauer, B., & McCandless, T. J. (2004). AWWA water operator field guide. American Water Works Association.

Citación estilo Chicago

American Water Works Association, Inc ebrary, John M. Stubbart, Bill Lauer, and Timothy J. McCandless. AWWA Water Operator Field Guide. Denver, Colo.: American Water Works Association, 2004.

Cita MLA

American Water Works Association, et al. AWWA Water Operator Field Guide. American Water Works Association, 2004.