APA (7th ed.) Citation

Lindhjem, C., & Jackson, T. (1999). Update of heavy-duty emission levels (model years 1988-2004+) for use in MOBILE6: M6.HDE.001. Assessment and Modeling Division, Office of Mobile Sources, U.S. Environmental Protection Agency.

Chicago Style (17th ed.) Citation

Lindhjem, Christian, and Tracie Jackson. Update of Heavy-duty Emission Levels (model Years 1988-2004+) for Use in MOBILE6: M6.HDE.001. [Washington, D.C.]: Assessment and Modeling Division, Office of Mobile Sources, U.S. Environmental Protection Agency, 1999.

MLA (9th ed.) Citation

Lindhjem, Christian, and Tracie Jackson. Update of Heavy-duty Emission Levels (model Years 1988-2004+) for Use in MOBILE6: M6.HDE.001. Assessment and Modeling Division, Office of Mobile Sources, U.S. Environmental Protection Agency, 1999.