APA (7th ed.) Citation

Symposium on Artificial Recharge of Groundwater Tucson, Ariz, Salt River Project, United States Water Conservation Laboratory, & University of Arizona. Water Resources Research Center. (1991). Challenges of the 1990s: Symposium proceedings. [Water Resources Research Center of the University of Arizona].

Chicago Style (17th ed.) Citation

Symposium on Artificial Recharge of Groundwater Tucson, Ariz, Salt River Project, United States Water Conservation Laboratory, and University of Arizona. Water Resources Research Center. Challenges of the 1990s: Symposium Proceedings. [Tucson, Ariz.]: [Water Resources Research Center of the University of Arizona], 1991.

MLA (9th ed.) Citation

Symposium on Artificial Recharge of Groundwater Tucson, Ariz, et al. Challenges of the 1990s: Symposium Proceedings. [Water Resources Research Center of the University of Arizona], 1991.