APA (7th ed.) Zitazioa

Tucker, R. W. (1968). Nation or empire?: The debate over american foreign policy. Johns Hopkins.

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

Tucker, Robert W. Nation or Empire?: The Debate over American Foreign Policy. Johns Hopkins, 1968.