APA Citation

(2001). National Geographic Volume 8: .January 2001- September 2001. Washington DC: .National Geographic Society.

Chicago Style Citation

National Geographic Volume 8: .January 2001- September 2001. Washington DC: .National Geographic Society, 2001.

MLA Citation

National Geographic Volume 8: .January 2001- September 2001. Washington DC: .National Geographic Society, 2001.

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