Style de citation APA (7e éd.)

Kegley, C. W., & BY Wittkopf , . E. R. (1983). Perspectives on American foreign policy: Selected readings. St. Martin's Pr..

Style de citation Chicago (17e éd.)

Kegley, Charles W., et Eugene R. BY Wittkopf. Perspectives on American Foreign Policy: Selected Readings. New York: St. Martin's Pr., 1983.

Style de citation MLA (9e éd.)

Kegley, Charles W., et Eugene R. BY Wittkopf. Perspectives on American Foreign Policy: Selected Readings. St. Martin's Pr., 1983.