APA Citation

Gaudy, A. F., & Gaudy, E. T. (1971). Biological concepts for design and operation of the activated sludge process. Washington, DC: GPO.

Chicago Style Citation

Gaudy, A. F., andfavorite E. T. Gaudy. Biological Concepts for Design and Operation of the Activated Sludge Process. Washington, DC: GPO, 1971.

MLA Citation

Gaudy, A. F., andfavorite E. T. Gaudy. Biological Concepts for Design and Operation of the Activated Sludge Process. Washington, DC: GPO, 1971.

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