Emission Factor and Inventory Group. (2004). Air chief. U.S. Environmental Protection Agency.
Chicago Style (17th ed.) CitationEmission Factor and Inventory Group. Air Chief. Cincinnati: U.S. Environmental Protection Agency, 2004.
MLA (9th ed.) CitationEmission Factor and Inventory Group. Air Chief. U.S. Environmental Protection Agency, 2004.
Warning: These citations may not always be 100% accurate.