APA (7th ed.) Citation

American Sociological Association. Section on Political Economy of the World System, Hopkins, T. K., & Wallerstein, I. M. (1980). Processes of the world-system. Sage Publications.

Chicago Style (17th ed.) Citation

American Sociological Association. Section on Political Economy of the World System, Terence K. Hopkins, and Immanuel Maurice Wallerstein. Processes of the World-system. Beverly Hills, Calif.: Sage Publications, 1980.

MLA (9th ed.) Citation

American Sociological Association. Section on Political Economy of the World System, et al. Processes of the World-system. Sage Publications, 1980.