Cita APA (7a ed.)
Maurice, J. M., & Davey, S. (2009). State of the world's vaccines and immunization (3rd ed.). World Health Organization.
Cita Chicago Style (17a ed.)
Maurice, J. M., y Sheila Davey. State of the World's Vaccines and Immunization. 3rd ed. Geneva: World Health Organization, 2009.
Cita MLA (9a ed.)
Maurice, J. M., y Sheila Davey. State of the World's Vaccines and Immunization. 3rd ed. World Health Organization, 2009.
Precaución: Estas citas no son 100% exactas.