APA استشهاد

Tucker, R. W. (1968). Nation or empire? The debate over American foreign policy. Washington: The John Hopkins University.

استشهاد بنمط شيكاغو

Tucker, Robert W. Nation or Empire? The Debate Over American Foreign Policy. Washington: The John Hopkins University, 1968.

MLA استشهاد

Tucker, Robert W. Nation or Empire? The Debate Over American Foreign Policy. Washington: The John Hopkins University, 1968.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.