APA (7th ed.) Citation

United States. Environmental Protection Agency. Office of Transportation and Air Quality. Assessment and Standards Division. (2005). Geographic allocation of nonroad engine population data to the state and county level. United States Environmental Protection Agency.

Chicago Style (17th ed.) Citation

United States. Environmental Protection Agency. Office of Transportation and Air Quality. Assessment and Standards Division. Geographic Allocation of Nonroad Engine Population Data to the State and County Level. [Washington, District of Columbia]: United States Environmental Protection Agency, 2005.

MLA (9th ed.) Citation

United States. Environmental Protection Agency. Office of Transportation and Air Quality. Assessment and Standards Division. Geographic Allocation of Nonroad Engine Population Data to the State and County Level. United States Environmental Protection Agency, 2005.