APA (7th ed.) Citation

Sen, A., & Foster, J. E. (1997). On economic inequality (Enl. ed.). Clarendon.

Chicago Style (17th ed.) Citation

Sen, Amartya, and James E. Foster. On Economic Inequality. Enl. ed. Oxford: Clarendon, 1997.

MLA (9th ed.) Citation

Sen, Amartya, and James E. Foster. On Economic Inequality. Enl. ed. Clarendon, 1997.