APA (7th ed.) Citation

(2010). Extension of the summer gasoline volatility standard to the Denver-Boulder-Greeley-Fort Collins-Loveland, Colorado, 1997 8-hour nonattainment area. U.S. Environmental Protection Agency, Office of Transportation and Air Quality.

Chicago Style (17th ed.) Citation

Extension of the Summer Gasoline Volatility Standard to the Denver-Boulder-Greeley-Fort Collins-Loveland, Colorado, 1997 8-hour Nonattainment Area. Washington, DC: U.S. Environmental Protection Agency, Office of Transportation and Air Quality, 2010.

MLA (9th ed.) Citation

Extension of the Summer Gasoline Volatility Standard to the Denver-Boulder-Greeley-Fort Collins-Loveland, Colorado, 1997 8-hour Nonattainment Area. U.S. Environmental Protection Agency, Office of Transportation and Air Quality, 2010.