Franklin

MLA

Ritter, Joseph A. Water Quality. 4th ed. Denver, Colo.: American Water Works Association, 2010.

APA

Ritter, J. A. (2010). Water quality. 4th ed. Denver, Colo.: American Water Works Association.

Chicago

Ritter, Joseph A. Water Quality. 4th ed. Denver, Colo.: American Water Works Association, 2010.