Cita APA

World Health Organization. (2008). International health regulations (2005) (Second edition.). World Health Organization.

Citación estilo Chicago

World Health Organization. International Health Regulations (2005). Second edition. Geneva: World Health Organization, 2008.

Cita MLA

World Health Organization. International Health Regulations (2005). Second edition. World Health Organization, 2008.

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