APA (7th ed.) Citation

Asay, S. F. (2015). Backflow prevention and cross-connection control: Recommended practices (Fourth edition.). American Water Works Association.

Chicago Style (17th ed.) Citation

Asay, Stuart F. Backflow Prevention and Cross-connection Control: Recommended Practices. Fourth edition. Denver, Colorado: American Water Works Association, 2015.

MLA (9th ed.) Citation

Asay, Stuart F. Backflow Prevention and Cross-connection Control: Recommended Practices. Fourth edition. American Water Works Association, 2015.