APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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