APA (7th ed.) Citation

Cohen, S. B. (2009). Geopolitics: The geography of international relations (2. ed.). Rowman & Littlefield.

Chicago Style (17th ed.) Citation

Cohen, Saul Bernard. Geopolitics: The Geography of International Relations. 2. ed. Lanham, Md. [u.a.]: Rowman & Littlefield, 2009.

MLA (9th ed.) Citation

Cohen, Saul Bernard. Geopolitics: The Geography of International Relations. 2. ed. Rowman & Littlefield, 2009.