(2005). Gasoline sulfur rule questions and answers. EPA, Office of Transportation and Air Quality.
Chicago Style (17th ed.) CitationGasoline Sulfur Rule Questions and Answers. Washington, D.C.: EPA, Office of Transportation and Air Quality, 2005.
MLA (9th ed.) CitationGasoline Sulfur Rule Questions and Answers. EPA, Office of Transportation and Air Quality, 2005.
Warning: These citations may not always be 100% accurate.