APA (7th ed.) Citation

(2009). International travel and health: Situation as on January 2009. WHO.

Chicago Style (17th ed.) Citation

International Travel and Health: Situation as on January 2009. Geneva: WHO, 2009.

MLA (9th ed.) Citation

International Travel and Health: Situation as on January 2009. WHO, 2009.

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