APA (7th ed.) Citation

(2001). NATIONAL Geography: Vol. 199 No. 4 - 6 [April - June 2001]. National Geography Society.

Chicago Style (17th ed.) Citation

NATIONAL Geography: Vol. 199 No. 4 - 6 [April - June 2001]. Washington: National Geography Society, 2001.

MLA (9th ed.) Citation

NATIONAL Geography: Vol. 199 No. 4 - 6 [April - June 2001]. National Geography Society, 2001.

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