APA (7th ed.) Citation

Scott, J. S., & Smith, P. G. (1981). Dictionary of waste and water treatment. Butterworths.

Chicago Style (17th ed.) Citation

Scott, John S., and Paul G. Smith. Dictionary of Waste and Water Treatment. London ; Boston: Butterworths, 1981.

MLA (9th ed.) Citation

Scott, John S., and Paul G. Smith. Dictionary of Waste and Water Treatment. Butterworths, 1981.