APA Edition Citation

Frank, A. G., & Gills, B. K. (2006). The World system: Five hundred years or five thousand? Routledge.

Chicago Edition Citation

Frank, Andre Gunder, and Barry K. Gills. The World System: Five Hundred Years or Five Thousand? London: Routledge, 2006.

MLA Edition Citation

Frank, Andre Gunder, and Barry K. Gills. The World System: Five Hundred Years or Five Thousand? Routledge, 2006.

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