Cita APA
Maurice, J. M., & Davey, S. (2009). State of the world's vaccines and immunization (3rd ed.). World Health Organization.
Citación estilo Chicago
Maurice, J. M., and Sheila Davey. State of the World's Vaccines and Immunization. 3rd ed. Geneva: World Health Organization, 2009.
Cita MLA
Maurice, J. M., and Sheila Davey. State of the World's Vaccines and Immunization. 3rd ed. World Health Organization, 2009.
Warning: These citations may not always be 100% accurate.