Cita APA

Kegley, C. W., & Wittkopf, E. R. (1985). World politics: Trend and transformation (2. edition.). New York: St. Martin's Press.

Citación estilo Chicago

Kegley, Charles W., y Eugene R. Wittkopf. World Politics: Trend and Transformation. 2. edition. New York: St. Martin's Press, 1985.

Cita MLA

Kegley, Charles W., y Eugene R. Wittkopf. World Politics: Trend and Transformation. 2. edition. New York: St. Martin's Press, 1985.