United States. Environmental Protection Agency. Office of Transportation and Air Quality. (2011). EPA announces notice for regulation of fuel and fuel additives: Modification to Octamix waiver. U.S. Environmental Protection Agency, Office of Transportation and Air Quality.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Transportation and Air Quality. EPA Announces Notice for Regulation of Fuel and Fuel Additives: Modification to Octamix Waiver. [Washington, D.C.]: U.S. Environmental Protection Agency, Office of Transportation and Air Quality, 2011.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Transportation and Air Quality. EPA Announces Notice for Regulation of Fuel and Fuel Additives: Modification to Octamix Waiver. U.S. Environmental Protection Agency, Office of Transportation and Air Quality, 2011.