APA (7th ed.) Citation

(2017). Three factors required for a respirator to be effective. Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health.

Chicago Style (17th ed.) Citation

Three Factors Required for a Respirator to Be Effective. [Washington, D.C.]: Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 2017.

MLA (9th ed.) Citation

Three Factors Required for a Respirator to Be Effective. Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 2017.