World Health Organization. (2005). Control of yellow fever: Field Guide. Pan American Health Organization.
Cita Chicago Style (17a ed.)World Health Organization. Control of Yellow Fever: Field Guide. Washington, D. C: Pan American Health Organization, 2005.
Cita MLA (8a ed.)World Health Organization. Control of Yellow Fever: Field Guide. Pan American Health Organization, 2005.
Precaución: Estas citas no son 100% exactas.