APA (7th ed.) Citation

Centers for Disease Control and Prevention (U.S.). (2009). Interim recommendations for facemask and respirator use in certain community settings where H1N1 influenza virus transmission has been detected. Centers for Disease Control and Prevention.

Chicago Style (17th ed.) Citation

Centers for Disease Control and Prevention (U.S.). Interim Recommendations for Facemask and Respirator Use in Certain Community Settings Where H1N1 Influenza Virus Transmission Has Been Detected. Atlanta, GA: Centers for Disease Control and Prevention, 2009.

MLA (9th ed.) Citation

Centers for Disease Control and Prevention (U.S.). Interim Recommendations for Facemask and Respirator Use in Certain Community Settings Where H1N1 Influenza Virus Transmission Has Been Detected. Centers for Disease Control and Prevention, 2009.