Centennial :
American Water Works Association celebrates its 100th year, 1881-1981 : a century of better water quality and service /
[Jeannette I. Gibson, editor].
APA Citation
American Water Works Association., Gibson, J. I. (1981). Centennial: American Water Works Association celebrates its 100th year, 1881-1981 : a century of better water quality and service. Denver, Colo.: The Association.
MLA Citation
American Water Works Association, and Jeannette I Gibson. Centennial: American Water Works Association Celebrates Its 100th Year, 1881-1981 : a Century of Better Water Quality And Service. Denver, Colo.: The Association, 1981.
Warning: These citations may not always be complete (especially for serials).