Cita APA (7th ed.)
Wallerstein, I. M. (2011). The modern world-system. University of California Press.
Cita Chicago (17th ed.)
Wallerstein, Immanuel Maurice. The Modern World-system. Berkeley: University of California Press, 2011.
Cita MLA (9th ed.)
Wallerstein, Immanuel Maurice. The Modern World-system. University of California Press, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.