APA (7th ed.) Citation

(1997). NATIONAL Geography: Vol. 191 No. 4 - 6 [April - June 1997]. National Geography Society.

Chicago Style (17th ed.) Citation

NATIONAL Geography: Vol. 191 No. 4 - 6 [April - June 1997]. Washington: National Geography Society, 1997.

MLA (9th ed.) Citation

NATIONAL Geography: Vol. 191 No. 4 - 6 [April - June 1997]. National Geography Society, 1997.

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