APA (7th ed.) Citation

Twort, Law, & Hoather. (1974). Water supply (2nd ed.). Edward Arnold.

Chicago Style (17th ed.) Citation

Twort, Law, and Hoather. Water Supply. 2nd ed. London: Edward Arnold, 1974.

MLA (8th ed.) Citation

Twort, et al. Water Supply. 2nd ed. Edward Arnold, 1974.