Cita APA (7a ed.)

Twort, A. C. (1994). Water supply (4th ed.). Edward Arnold.

Cita Chicago Style (17a ed.)

Twort, A. C. Water Supply. 4th ed. London: Edward Arnold, 1994.

Cita MLA (8a ed.)

Twort, A. C. Water Supply. 4th ed. Edward Arnold, 1994.