APA (7th ed.) Citation

Twort, A. C., Brandt, M. J., & Ratnayaka, D. D. (2000). Water supply (5th edition.). Arnold.

Chicago Style (17th ed.) Citation

Twort, A. C., Malcolm J. Brandt, and Don D. Ratnayaka. Water Supply. 5th edition. London: Arnold, 2000.

MLA (9th ed.) Citation

Twort, A. C., et al. Water Supply. 5th edition. Arnold, 2000.