APA Style

United States Environmental Protection Agency, Washington, DC.. (). Asthma Speaker's Kit. [computer file]. . : .

Chicago Style

United States Environmental Protection Agency, Washington, DC.. Asthma Speaker's Kit. [computer file].. : , . .

MLA Style

United States Environmental Protection Agency, Washington, DC.. Asthma Speaker's Kit. [computer file].. : , . .

Turabian Style

United States Environmental Protection Agency, Washington, DC.. Asthma Speaker's Kit. [computer file].. : , . .