APA (7th ed.) Citation

United States. Environmental Protection Agency. Office of Mobile Sources. (1999). Requirements for railroads regarding locomotive exhaust emission standards. U.S. Environmental Protection Agency, Air and Radiation, Office of Mobile Sources.

Chicago Style (17th ed.) Citation

United States. Environmental Protection Agency. Office of Mobile Sources. Requirements for Railroads Regarding Locomotive Exhaust Emission Standards. [Washington, D.C.]: U.S. Environmental Protection Agency, Air and Radiation, Office of Mobile Sources, 1999.

MLA (9th ed.) Citation

United States. Environmental Protection Agency. Office of Mobile Sources. Requirements for Railroads Regarding Locomotive Exhaust Emission Standards. U.S. Environmental Protection Agency, Air and Radiation, Office of Mobile Sources, 1999.