APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Hawkes, H. A. The Ecology of Waste Water Treatment. Oxford: Pergamon Press, 1963.

MLA (9th ed.) Citation

Hawkes, H. A. The Ecology of Waste Water Treatment. Pergamon Press, 1963.

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