APA (7th ed.) Citation

(2018). Protect your lungs from wildfire smoke or ash. U.S. Environmental Protection Agency.

Chicago Style (17th ed.) Citation

Protect Your Lungs from Wildfire Smoke or Ash. [Washington, D.C.]: U.S. Environmental Protection Agency, 2018.

MLA (9th ed.) Citation

Protect Your Lungs from Wildfire Smoke or Ash. U.S. Environmental Protection Agency, 2018.