APA (7th ed.) Citation

United States. Environmental Protection Agency. Office of Air Quality Planning and Standards. Information Transfer Group. (1999). AIRSExecutive plus (Version 2.). US Environmental Protection Agency, Office of Air Quality Planning & Standards, Information Transfer & Program Integration Division.

Chicago Style (17th ed.) Citation

United States. Environmental Protection Agency. Office of Air Quality Planning and Standards. Information Transfer Group. AIRSExecutive Plus. Version 2. RTP [Research Triangle Park], NC: US Environmental Protection Agency, Office of Air Quality Planning & Standards, Information Transfer & Program Integration Division, 1999.

MLA (9th ed.) Citation

United States. Environmental Protection Agency. Office of Air Quality Planning and Standards. Information Transfer Group. AIRSExecutive Plus. Version 2. US Environmental Protection Agency, Office of Air Quality Planning & Standards, Information Transfer & Program Integration Division, 1999.