APA (7th ed.) Citation

(2010). Clean agriculture USA: Cleaner air over greener fields. EPA, National Clean Diesel Campaign.

Chicago Style (17th ed.) Citation

Clean Agriculture USA: Cleaner Air over Greener Fields. [Washington, D.C.]: EPA, National Clean Diesel Campaign, 2010.

MLA (9th ed.) Citation

Clean Agriculture USA: Cleaner Air over Greener Fields. EPA, National Clean Diesel Campaign, 2010.