Cita APA (7a ed.)
Kegley, C. W., & Wittkopf, E. R. (1989). World politics: Trend and transformation (3rd ed.). St. Martin's.
Cita Chicago Style (17a ed.)
Kegley, Charles W., y Eugene R. Wittkopf. World Politics: Trend and Transformation. 3rd ed. New York: St. Martin's, 1989.
Cita MLA (9a ed.)
Kegley, Charles W., y Eugene R. Wittkopf. World Politics: Trend and Transformation. 3rd ed. St. Martin's, 1989.
Precaución: Estas citas no son 100% exactas.