APA (7th ed.) Citation

Gumerman, R. C., Burris, B. E., & Hansen, S. P. (1986). Small water system treatment costs. Noyes Data Corp..

Chicago Style (17th ed.) Citation

Gumerman, Robert C., Bruce E. Burris, and Sigurd P. Hansen. Small Water System Treatment Costs. Park Ridge, N.J., U.S.A.: Noyes Data Corp., 1986.

MLA (9th ed.) Citation

Gumerman, Robert C., et al. Small Water System Treatment Costs. Noyes Data Corp., 1986.