APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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