Centers for Disease Control and Prevention (U.S.). (2009). Interim guidance on case definitions to be used for investigations of swine influenza A (H1N1) cases. Centers for Disease Control and Prevention.
Chicago Style (17th ed.) CitationCenters for Disease Control and Prevention (U.S.). Interim Guidance on Case Definitions to Be Used for Investigations of Swine Influenza A (H1N1) Cases. [Atlanta, Ga.]: Centers for Disease Control and Prevention, 2009.
MLA (9th ed.) CitationCenters for Disease Control and Prevention (U.S.). Interim Guidance on Case Definitions to Be Used for Investigations of Swine Influenza A (H1N1) Cases. Centers for Disease Control and Prevention, 2009.
Warning: These citations may not always be 100% accurate.