Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.