APA (7th ed.) Citation

Hann, R. W. (1970). Fundamental aspects of water quality management. [publisher not identified].

Chicago Style (17th ed.) Citation

Hann, Roy W. Fundamental Aspects of Water Quality Management. [College Station, Tex.?]: [publisher not identified], 1970.

MLA (9th ed.) Citation

Hann, Roy W. Fundamental Aspects of Water Quality Management. [publisher not identified], 1970.