Cita APA (7th ed.)
Klyza, C. M., & Sousa, D. J. (2008). American environmental policy, 1990-2006: Beyond gridlock. MIT Press.
Cita Chicago (17th ed.)
Klyza, Christopher McGrory, i David J. Sousa. American Environmental Policy, 1990-2006: Beyond Gridlock. Cambridge, Mass.: MIT Press, 2008.
Cita MLA (9th ed.)
Klyza, Christopher McGrory, i David J. Sousa. American Environmental Policy, 1990-2006: Beyond Gridlock. MIT Press, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.