APA (7th ed.) Citation

Sharp, W. W., & Walski, T. M. (1988). Predicting internal roughness in water mains. Journal: American Water Works Association, 80, 34.

Chicago Style (17th ed.) Citation

Sharp, Wayne W., and Thomas M. Walski. "Predicting Internal Roughness in Water Mains." Journal: American Water Works Association 80 (1988): 34.

MLA (9th ed.) Citation

Sharp, Wayne W., and Thomas M. Walski. "Predicting Internal Roughness in Water Mains." Journal: American Water Works Association, vol. 80, 1988, p. 34.