APA (7th ed.) Citation

Texas Water Utilities Association, Billings, C. H., & Bejcek, O. J. (1979). Manual of water utility operations (7th ed.). The Association.

Chicago Style (17th ed.) Citation

Texas Water Utilities Association, Clayton H. Billings, and O. J. Bejcek. Manual of Water Utility Operations. 7th ed. Austin, Tex.: The Association, 1979.

MLA (9th ed.) Citation

Texas Water Utilities Association, et al. Manual of Water Utility Operations. 7th ed. The Association, 1979.