APA (7th ed.) Citation

Knox, P. L., & Agnew, J. A. (1990). The geography of the world-economy. Edward Arnold.

Chicago Style (17th ed.) Citation

Knox, Paul L., and John A. Agnew. The Geography of the World-economy. London [etc.]: Edward Arnold, 1990.

MLA (9th ed.) Citation

Knox, Paul L., and John A. Agnew. The Geography of the World-economy. Edward Arnold, 1990.