APA (7th ed.) Citation

(2009). National clean diesel campaign: Working together for cleaner air. United States Environmental Protection Agency, Office of Transportation and Air Quality.

Chicago Style (17th ed.) Citation

National Clean Diesel Campaign: Working Together for Cleaner Air. [Washington, District of Columbia]: United States Environmental Protection Agency, Office of Transportation and Air Quality, 2009.

MLA (9th ed.) Citation

National Clean Diesel Campaign: Working Together for Cleaner Air. United States Environmental Protection Agency, Office of Transportation and Air Quality, 2009.