Cita APA (7a ed.)

TWORT, A., LAW, F., & CROWLEY, F. (1985). Water supply.-- ed.3. Edward Arnold.

Cita Chicago Style (17a ed.)

TWORT, AC, FM LAW, y FW CROWLEY. Water Supply.-- Ed.3. London: Edward Arnold, 1985.

Cita MLA (9a ed.)

TWORT, AC, et al. Water Supply.-- Ed.3. Edward Arnold, 1985.