Cita APA (7a ed.)

Greenaway, D., Hyclak, T., & Thornton, R. J. (1989). Economic aspects of regional trading arrangements. Harvester Wheatsheaf.

Cita Chicago Style (17a ed.)

Greenaway, David, Thomas Hyclak, y Robert James Thornton. Economic Aspects of Regional Trading Arrangements. New York [etc.]: Harvester Wheatsheaf, 1989.

Cita MLA (9a ed.)

Greenaway, David, et al. Economic Aspects of Regional Trading Arrangements. Harvester Wheatsheaf, 1989.