Cita APA (7a ed.)

Cohen, S. B. (2015). Geopolitics: The geography of international relations (3rd ed.). Rowman & Littlefield.

Cita Chicago Style (17a ed.)

Cohen, Saul Bernard. Geopolitics: The Geography of International Relations. 3rd ed. Lanham [etc.]: Rowman & Littlefield, 2015.

Cita MLA (9a ed.)

Cohen, Saul Bernard. Geopolitics: The Geography of International Relations. 3rd ed. Rowman & Littlefield, 2015.