Centers for Disease Control and Prevention (U. S.), Department of Health Human Services (U.S), & Public Health Training Network. (2002). CDC bioterrorism update: Smallpox preparedness. Centers for Disease Control and Prevention.
Citação do estilo Chicago (17ª ed.)Centers for Disease Control and Prevention (U. S.), Department of Health Human Services (U.S), e Public Health Training Network. CDC Bioterrorism Update: Smallpox Preparedness. [Georgia]: Centers for Disease Control and Prevention, 2002.
Citação MLA (9ª ed.)Centers for Disease Control and Prevention (U. S.), et al. CDC Bioterrorism Update: Smallpox Preparedness. Centers for Disease Control and Prevention, 2002.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.