APA (7th ed.) Citation

Geiger, T., Volpe, J., & Preeg, E. H. (1975). North American integration and economic blocs. Trade Policy Research Centre.

Chicago Style (17th ed.) Citation

Geiger, Theodore, John Volpe, and Ernest H. Preeg. North American Integration and Economic Blocs. London: Trade Policy Research Centre, 1975.

MLA (9th ed.) Citation

Geiger, Theodore, et al. North American Integration and Economic Blocs. Trade Policy Research Centre, 1975.