United States. Environmental Protection Agency. Office of Transportation and Air Quality. Certification and Compliance Division. (2004). Response to comments: Motor Vehicle and Engine Compliance Program fees for: light-duty vehicles; light-duty trucks; heavy-duty vehicles and engines; nonroad engines and motorcycles. United States Environmental Protection Agency, Air and Radiation.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Transportation and Air Quality. Certification and Compliance Division. Response to Comments: Motor Vehicle and Engine Compliance Program Fees for: Light-duty Vehicles; Light-duty Trucks; Heavy-duty Vehicles and Engines; Nonroad Engines and Motorcycles. [Washington, D.C.]: United States Environmental Protection Agency, Air and Radiation, 2004.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Transportation and Air Quality. Certification and Compliance Division. Response to Comments: Motor Vehicle and Engine Compliance Program Fees for: Light-duty Vehicles; Light-duty Trucks; Heavy-duty Vehicles and Engines; Nonroad Engines and Motorcycles. United States Environmental Protection Agency, Air and Radiation, 2004.