Cita APA (7a ed.)

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.