APA (7th ed.) Citation

ECKENFELDER, J. (1980). Principles of water quality management. CBI.

Chicago Style (17th ed.) Citation

ECKENFELDER, JR. Principles of Water Quality Management. CBI, 1980.

MLA (8th ed.) Citation

ECKENFELDER, JR. Principles of Water Quality Management. CBI, 1980.

Warning: These citations may not always be 100% accurate.