Cita APA (7a ed.)

National Research Council (U.S.). Committee on Water Quality Improvement for the Pittsburgh Region. (2005). Regional cooperation for water quality improvement in southwestern Pennsylvania. National Academies Press.

Cita Chicago Style (17a ed.)

National Research Council (U.S.). Committee on Water Quality Improvement for the Pittsburgh Region. Regional Cooperation for Water Quality Improvement in Southwestern Pennsylvania. Washington, DC: National Academies Press, 2005.

Cita MLA (8a ed.)

National Research Council (U.S.). Committee on Water Quality Improvement for the Pittsburgh Region. Regional Cooperation for Water Quality Improvement in Southwestern Pennsylvania. National Academies Press, 2005.