Wallerstein, I. (1999). The end of the world as we know it: Social science for the twenty-first century. University of Minnesota Press.
Cita Chicago Style (17a ed.)Wallerstein, Immanuel. The End of the World as We Know It: Social Science for the Twenty-first Century. Minneapolis: University of Minnesota Press, 1999.
Cita MLA (9a ed.)Wallerstein, Immanuel. The End of the World as We Know It: Social Science for the Twenty-first Century. University of Minnesota Press, 1999.
Precaución: Estas citas no son 100% exactas.