Institute of Medicine. (2004). Review of the Centers for Disease Control and Prevention's smallpox vaccination program implementation: Letter report 6. National Academies Press (US).
Cita Chicago Style (17a ed.)Institute of Medicine. Review of the Centers for Disease Control and Prevention's Smallpox Vaccination Program Implementation: Letter Report 6. Washington (DC): National Academies Press (US), 2004.
Cita MLA (9a ed.)Institute of Medicine. Review of the Centers for Disease Control and Prevention's Smallpox Vaccination Program Implementation: Letter Report 6. National Academies Press (US), 2004.
Precaución: Estas citas no son 100% exactas.