Kegley, C. W., & BY Wittkopf , . E. R. (1983). Perspectives on American foreign policy: Selected readings. St. Martin's Pr..
Čikaški stil citiranja (17. izdanje)Kegley, Charles W., i Eugene R. BY Wittkopf. Perspectives on American Foreign Policy: Selected Readings. New York: St. Martin's Pr., 1983.
MLA način citiranja (9. izdanje)Kegley, Charles W., i Eugene R. BY Wittkopf. Perspectives on American Foreign Policy: Selected Readings. St. Martin's Pr., 1983.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.