Centers for Disease Control and Prevention (U.S.). (2009). CDC health update: Swine influenza A (H1N1) update ; new interim recommendations and guidance for health directors about strategic national stockpile materiel. Centers for Disease Control and Prevention.
Chicago Style (17th ed.) CitationCenters for Disease Control and Prevention (U.S.). CDC Health Update: Swine Influenza A (H1N1) Update ; New Interim Recommendations and Guidance for Health Directors About Strategic National Stockpile Materiel. Atlanta, GA: Centers for Disease Control and Prevention, 2009.
MLA (9th ed.) CitationCenters for Disease Control and Prevention (U.S.). CDC Health Update: Swine Influenza A (H1N1) Update ; New Interim Recommendations and Guidance for Health Directors About Strategic National Stockpile Materiel. Centers for Disease Control and Prevention, 2009.