APA (7th ed.) Citation
Gregory, P. R., & Stuart, R. C. (2004). Comparing Economic Systems in the Twenty-First Century (7th Edition.). South-Western Cengage Learning.
Chicago Style (17th ed.) Citation
Gregory, Paul R., and Robert C. Stuart. Comparing Economic Systems in the Twenty-First Century. 7th Edition. Mason: South-Western Cengage Learning, 2004.
MLA (9th ed.) Citation
Gregory, Paul R., and Robert C. Stuart. Comparing Economic Systems in the Twenty-First Century. 7th Edition. South-Western Cengage Learning, 2004.
Warning: These citations may not always be 100% accurate.