APA (7th ed.) Citation

geographic, N. (1988). Atlas of the fifty united states. National geographic society.

Chicago Style (17th ed.) Citation

geographic, National. Atlas of the Fifty United States. National geographic society, 1988.

MLA (8th ed.) Citation

geographic, National. Atlas of the Fifty United States. National geographic society, 1988.

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