APA (7th ed.) Citation

Lockyear, C., Jackson, P., & Water Research Centre. (1983). Polyelectrolyte users' manual. Water Research Centre.

Chicago Style (17th ed.) Citation

Lockyear, C.F, P.J Jackson, and Water Research Centre. Polyelectrolyte Users' Manual. Marlow: Water Research Centre, 1983.

MLA (9th ed.) Citation

Lockyear, C.F, et al. Polyelectrolyte Users' Manual. Water Research Centre, 1983.