Cita APA (7th ed.)

Tucker, R. W. (1968). Nation or empiren The debate over American foreign policy. Johns Hopkins Press.

Cita Chicago (17th ed.)

Tucker, Robert W. Nation or Empiren The Debate over American Foreign Policy. Baltimore: Johns Hopkins Press, 1968.

Cita MLA (9th ed.)

Tucker, Robert W. Nation or Empiren The Debate over American Foreign Policy. Johns Hopkins Press, 1968.

Atenció: Aquestes cites poden no estar 100% correctes.