Wallerstein, I. (1998). Uncertainty and creativity. [s.n.].
Cita Chicago Style (17a ed.)Wallerstein, Immanuel. Uncertainty and Creativity. [S.l.]: [s.n.], 1998.
Cita MLA (9a ed.)Wallerstein, Immanuel. Uncertainty and Creativity. [s.n.], 1998.
Precaución: Estas citas no son 100% exactas.