APA (7th ed.) Citation

Gregory, P. R., & Stuart, R. C. (2004). Comparing economic systems in the twenty-first century (7th ed.). Houghton Mifflin.

Chicago Style (17th ed.) Citation

Gregory, Paul R., and Robert C. Stuart. Comparing Economic Systems in the Twenty-first Century. 7th ed. Boston: Houghton Mifflin, 2004.

MLA (8th ed.) Citation

Gregory, Paul R., and Robert C. Stuart. Comparing Economic Systems in the Twenty-first Century. 7th ed. Houghton Mifflin, 2004.