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