Feld, W. J., & Boyd, G. (1980). Comparative regional systems: West and East Europe, North America, the Middle East, and developing countries. Pergamon Press.
Chicago Style (17th ed.) CitationFeld, Werner J., and Gavin;Feld Boyd. Comparative Regional Systems: West and East Europe, North America, the Middle East, and Developing Countries. Pergamon Press, 1980.
MLA (9th ed.) CitationFeld, Werner J., and Gavin;Feld Boyd. Comparative Regional Systems: West and East Europe, North America, the Middle East, and Developing Countries. Pergamon Press, 1980.
Warning: These citations may not always be 100% accurate.