APA Citation

World Health Organization (WHO). (2009). International travel and health: Situation as on 1 January 2009. Geneva: World Health Organization (WHO).

Chicago Style Citation

World Health Organization (WHO). International Travel and Health: Situation As On 1 January 2009. Geneva: World Health Organization (WHO), 2009.

MLA Citation

World Health Organization (WHO). International Travel and Health: Situation As On 1 January 2009. Geneva: World Health Organization (WHO), 2009.

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