United States. Environmental Protection Agency. Office of Transportation and Air Quality. Assessment and Standards Division. (2012). EPA optimization model for reducing emissions of greenhouse gases from automobiles (OMEGA): Core model version 1.4.1 documentation. U.S. Environmental Protection Agency, Office of Transportation and Air Quality, Assessment and Standards Division.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Transportation and Air Quality. Assessment and Standards Division. EPA Optimization Model for Reducing Emissions of Greenhouse Gases from Automobiles (OMEGA): Core Model Version 1.4.1 Documentation. [Washington, DC]: U.S. Environmental Protection Agency, Office of Transportation and Air Quality, Assessment and Standards Division, 2012.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Transportation and Air Quality. Assessment and Standards Division. EPA Optimization Model for Reducing Emissions of Greenhouse Gases from Automobiles (OMEGA): Core Model Version 1.4.1 Documentation. U.S. Environmental Protection Agency, Office of Transportation and Air Quality, Assessment and Standards Division, 2012.