APA (7th ed.) Citation

Ginsburgh, V., & Weber, S. (2011). How many languages do we really need?: The economics of linguistic diversity. Princeton University Press.

Chicago Style (17th ed.) Citation

Ginsburgh, Victor, and Shlomo Weber. How Many Languages Do We Really Need?: The Economics of Linguistic Diversity. Princeton, N.J.: Princeton University Press, 2011.

MLA (9th ed.) Citation

Ginsburgh, Victor, and Shlomo Weber. How Many Languages Do We Really Need?: The Economics of Linguistic Diversity. Princeton University Press, 2011.

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