APA (7th ed.) Citation

Harvester Wheatsheaf, Milner, C., & Williamson, J. (1991). The world economy: A textbook in international economics. Harvester Wheatsheaf.

Chicago Style (17th ed.) Citation

Harvester Wheatsheaf, Chris Milner, and John Williamson. The World Economy: A Textbook in International Economics. New York: Harvester Wheatsheaf, 1991.

MLA (8th ed.) Citation

Harvester Wheatsheaf, et al. The World Economy: A Textbook in International Economics. Harvester Wheatsheaf, 1991.