APA Format
USAID
. (). Immunization essentials: a practical field guide. : Washington DC: USAID, 2003
MLA Format
USAID
. Immunization essentials: a practical field guide. : Washington DC: USAID, 2003,
Australian/Harvard Format
USAID
. . Immunization essentials: a practical field guide. Washington DC: USAID, 2003,
Warning: These citations may not always be 100% accurate.