APA (7th ed.) Citation

Gregory, P. R. (2004). Comparing Economic Systems in the twenty-first CenturyPaul R. Gregory and Robert C. Stuart. Houghton Mifflin.

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.