APA (7th ed.) Citation

Giorgi, J. (2007). Math for water treatment operators: Practice problems to prepare for water treatment operator certification exams. American Water Works Association.

Chicago Style (17th ed.) Citation

Giorgi, John. Math for Water Treatment Operators: Practice Problems to Prepare for Water Treatment Operator Certification Exams. Denver, Colo: American Water Works Association, 2007.

MLA (9th ed.) Citation

Giorgi, John. Math for Water Treatment Operators: Practice Problems to Prepare for Water Treatment Operator Certification Exams. American Water Works Association, 2007.