APA (7th ed.) Citation

Hughes, D. (1981). Derivation of I/M benefits for post-1980 light duty vehicles for low altitude, non-California areas (Revised March, 1981.). Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air, Noise and Radiation, U.S. Environmental Protection Agency.

Chicago Style (17th ed.) Citation

Hughes, Dave. Derivation of I/M Benefits for Post-1980 Light Duty Vehicles for Low Altitude, Non-California Areas. Revised March, 1981. [Ann Arbor, Mich.]: Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air, Noise and Radiation, U.S. Environmental Protection Agency, 1981.

MLA (9th ed.) Citation

Hughes, Dave. Derivation of I/M Benefits for Post-1980 Light Duty Vehicles for Low Altitude, Non-California Areas. Revised March, 1981. Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air, Noise and Radiation, U.S. Environmental Protection Agency, 1981.