APA (7th ed.) Citation

(2012). International Travel and Health: Situation as on 1 January 2012. World Health Organization.

Chicago Style (17th ed.) Citation

International Travel and Health: Situation as on 1 January 2012. Geneva: World Health Organization, 2012.

MLA (9th ed.) Citation

International Travel and Health: Situation as on 1 January 2012. World Health Organization, 2012.

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