APA (7th ed.) Citation

Arnold, Crowley, F., Law, F., Ratnayaka, D., & Twort, A. (1994). Water supply (4th.). Arnold.

Chicago Style (17th ed.) Citation

Arnold, F. Crowley, F. Law, D. Ratnayaka, and A. Twort. Water Supply. 4th. London: Arnold, 1994.

MLA (8th ed.) Citation

Arnold, et al. Water Supply. 4th. Arnold, 1994.