APA (7th ed.) Citation

National Geographic. (2006). Soccer unites the world. National Geographic Society.

Chicago Style (17th ed.) Citation

National Geographic. Soccer Unites the World. Washington, DC: National Geographic Society, 2006.

MLA (9th ed.) Citation

National Geographic. Soccer Unites the World. National Geographic Society, 2006.

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