APA引文

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引文

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

警告：这些引文格式不一定是100％准确.