APA (7th ed.) Citation

Gregory, P. R. (1989). Comparative economic systems. Houghton Mifflin Co.

Chicago Style (17th ed.) Citation

Gregory, Paul R. Comparative Economic Systems. Houghton Mifflin Co, 1989.

MLA (8th ed.) Citation

Gregory, Paul R. Comparative Economic Systems. Houghton Mifflin Co, 1989.

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