Cita APA

(2015). Immunization in practice: A practical guide for health staff (2015 update.). Geneva, Switzerland: World Health Organization.

Citación estilo Chicago

Immunization in Practice: A Practical Guide for Health Staff. 2015 update. Geneva, Switzerland: World Health Organization, 2015.

Cita MLA

Immunization in Practice: A Practical Guide for Health Staff. 2015 update. Geneva, Switzerland: World Health Organization, 2015.