APA (7th ed.) Citation

Eckenfelder, W. W. (1980). Principles of water quality management (2. print.). CBI Publ. Co.

Chicago Style (17th ed.) Citation

Eckenfelder, William Wesley. Principles of Water Quality Management. 2. print. Boston, Mass: CBI Publ. Co, 1980.

MLA (9th ed.) Citation

Eckenfelder, William Wesley. Principles of Water Quality Management. 2. print. CBI Publ. Co, 1980.