APA (7th ed.) Citation

Ahun, M. (2004). Immunization essentials: A practical field guide. The World Health Organization.

Chicago Style (17th ed.) Citation

Ahun, Mercy. Immunization Essentials: A Practical Field Guide. The World Health Organization, 2004.

MLA (9th ed.) Citation

Ahun, Mercy. Immunization Essentials: A Practical Field Guide. The World Health Organization, 2004.

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