Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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