APA (7th ed.) Citation

Alesina, A., & Spolaore, E. (2003). The Size of nations. MIT Press.

Chicago Style (17th ed.) Citation

Alesina, Alberto, and Enrico Spolaore. The Size of Nations. Cambridge [etc.]: MIT Press, 2003.

MLA (9th ed.) Citation

Alesina, Alberto, and Enrico Spolaore. The Size of Nations. MIT Press, 2003.