APA (7th ed.) Citation

(2000). Gasoline sulfur rule questions and answers. EPA, Office of Transportation and Air Quality.

Chicago Style (17th ed.) Citation

Gasoline Sulfur Rule Questions and Answers. Washington, District of Columbia: EPA, Office of Transportation and Air Quality, 2000.

MLA (9th ed.) Citation

Gasoline Sulfur Rule Questions and Answers. EPA, Office of Transportation and Air Quality, 2000.