APA (7th ed.) Citation

Gale Group & Hillstrom, K. (2010). U.S. environmental policy and politics: A documentary history. CQ Press.

Chicago Style (17th ed.) Citation

Gale Group and Kevin Hillstrom. U.S. Environmental Policy and Politics: A Documentary History. Washington, D.C: CQ Press, 2010.

MLA (9th ed.) Citation

Gale Group and Kevin Hillstrom. U.S. Environmental Policy and Politics: A Documentary History. CQ Press, 2010.