APA (7th ed.) Citation
(2005). National Geographic: Almanac of geography. National Geographic Society.
Chicago Style (17th ed.) Citation
National Geographic: Almanac of Geography. Washington, D.C: National Geographic Society, 2005.
MLA (9th ed.) Citation
National Geographic: Almanac of Geography. National Geographic Society, 2005.
Warning: These citations may not always be 100% accurate.