APA (7th ed.) Citation

Hawkes, H. A. (1963). The ecology of waste water treatment. Pergamon Pr.

Chicago Style (17th ed.) Citation

Hawkes, Herbert A. The Ecology of Waste Water Treatment. Oxford: Pergamon Pr, 1963.

MLA (9th ed.) Citation

Hawkes, Herbert A. The Ecology of Waste Water Treatment. Pergamon Pr, 1963.