APA (7th ed.) Citation

(2003). What you should know about diesel exhaust and school bus idling. United States Environmental Protection Agency.

Chicago Style (17th ed.) Citation

What You Should Know About Diesel Exhaust and School Bus Idling. [Washington, D.C.]: United States Environmental Protection Agency, 2003.

MLA (9th ed.) Citation

What You Should Know About Diesel Exhaust and School Bus Idling. United States Environmental Protection Agency, 2003.