Cita APA

Davey, S. (2002). State of the world's vaccines and immunization. World Health Organization.

Citación estilo Chicago

Davey, Sheila. State of the World's Vaccines and Immunization. Geneva: World Health Organization, 2002.

Cita MLA

Davey, Sheila. State of the World's Vaccines and Immunization. World Health Organization, 2002.

Warning: These citations may not always be 100% accurate.