APA (7th ed.) Citation

Barro, R. J., & Sala-i-Martin, X. (2003). Economic growth (2nd edition.). MIT Press.

Chicago Style (17th ed.) Citation

Barro, Robert J., and Xavier Sala-i-Martin. Economic Growth. 2nd edition. Cambridge, Mass: MIT Press, 2003.

MLA (9th ed.) Citation

Barro, Robert J., and Xavier Sala-i-Martin. Economic Growth. 2nd edition. MIT Press, 2003.