APA (7th ed.) Citation

United States. Environmental Protection Agency. Office of Air and Radiation. (2009). Join us in the fight against global warming. U.S. Environmental Protection Agency, Air and Radiation.

Chicago Style (17th ed.) Citation

United States. Environmental Protection Agency. Office of Air and Radiation. Join Us in the Fight Against Global Warming. Washington, DC: U.S. Environmental Protection Agency, Air and Radiation, 2009.

MLA (9th ed.) Citation

United States. Environmental Protection Agency. Office of Air and Radiation. Join Us in the Fight Against Global Warming. U.S. Environmental Protection Agency, Air and Radiation, 2009.