APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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