APA (7th ed.) Citation

Campbell, G. L., & Foundation, T. L. N. (2000). Compendium of the World's Languages. Routledge.

Chicago Style (17th ed.) Citation

Campbell, George L., and The Long Now Foundation. Compendium of the World's Languages. Routledge, 2000.

MLA (9th ed.) Citation

Campbell, George L., and The Long Now Foundation. Compendium of the World's Languages. Routledge, 2000.

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