APA Style

Klyza, C, M., Sousa, D, J. (c2008.). American environmental policy, 1990-2006 : beyond gridlock . Cambridge, Mass.: MIT Press.

MLA Style

Klyza, Christopher, McGrory., Sousa, David, J.. "American environmental policy, 1990-2006 : beyond gridlock". Cambridge, Mass.: MIT Press, c2008.. Text.