APA (7th ed.) Citation

Ginley, J. F., & Humphrey, T. (2009). Utility management system: Operational guide to AWWA standard G400. American Water Works Association.

Chicago Style (17th ed.) Citation

Ginley, James F., and Todd Humphrey. Utility Management System: Operational Guide to AWWA Standard G400. Denver, CO: American Water Works Association, 2009.

MLA (9th ed.) Citation

Ginley, James F., and Todd Humphrey. Utility Management System: Operational Guide to AWWA Standard G400. American Water Works Association, 2009.