APA (7th ed.) Citation

Willis, R. M. (1978). Tubular settlers: A technical review. American Water Works Association.

Chicago Style (17th ed.) Citation

Willis, Roderick M. Tubular Settlers: A Technical Review. [Denver]: American Water Works Association, 1978.

MLA (9th ed.) Citation

Willis, Roderick M. Tubular Settlers: A Technical Review. American Water Works Association, 1978.

Warning: These citations may not always be 100% accurate.