APA aipamena

Vaccaro, J. J., Hansen, A. J., & Jones, M. A. (1998). Hydrogeologic framework of the Puget Sound aquifer system, Washington and British Columbia. U.S. G.P.O. For sale by U.S. Geological Survey, Information Services.

Chicago Style aipamena

Vaccaro, J. J., Arnold J. Hansen, and M. A. Jones. Hydrogeologic Framework of the Puget Sound Aquifer System, Washington and British Columbia. Washington, DC, Denver, CO: U.S. G.P.O. For sale by U.S. Geological Survey, Information Services, 1998.

MLA aipamena

Vaccaro, J. J., et al. Hydrogeologic Framework of the Puget Sound Aquifer System, Washington and British Columbia. U.S. G.P.O. For sale by U.S. Geological Survey, Information Services, 1998.