APA (7th ed.) Citation

Stephane Helleringer, Jemima A Frimpong, Jalaa Abdelwahab, Patrick Asuming, Hamadassalia Touré, John Koku Awoonor-Williams, . . . Flavia Guidetti. (2012). Supplementary polio immunization activities and prior use of routine immunization services in non-polio-endemic sub-Saharan Africa. The World Health Organization.

Chicago Style (17th ed.) Citation

Stephane Helleringer, Jemima A Frimpong, Jalaa Abdelwahab, Patrick Asuming, Hamadassalia Touré, John Koku Awoonor-Williams, Thomas Abachie, and Flavia Guidetti. Supplementary Polio Immunization Activities and Prior Use of Routine Immunization Services in Non-polio-endemic Sub-Saharan Africa. The World Health Organization, 2012.

MLA (9th ed.) Citation

Stephane Helleringer, et al. Supplementary Polio Immunization Activities and Prior Use of Routine Immunization Services in Non-polio-endemic Sub-Saharan Africa. The World Health Organization, 2012.