APA (7th ed.) Citation

Frank, A. G., & Gills, B. K. (1993). The World system: Five hundred years or five thousandn. Routledge.

Chicago Style (17th ed.) Citation

Frank, Andre Gunder, and Barry K. Gills. The World System: Five Hundred Years or Five Thousandn. London: Routledge, 1993.

MLA (9th ed.) Citation

Frank, Andre Gunder, and Barry K. Gills. The World System: Five Hundred Years or Five Thousandn. Routledge, 1993.

Warning: These citations may not always be 100% accurate.