Cita APA (7a ed.)

Caldwell, D. (2011). Vortex of conflict: U.S. policy toward Afghanistan, Pakistan, and Iraq. Stanford Security Studies.

Cita Chicago Style (17a ed.)

Caldwell, Dan. Vortex of Conflict: U.S. Policy Toward Afghanistan, Pakistan, and Iraq. Stanford, CA: Stanford Security Studies, 2011.

Cita MLA (9a ed.)

Caldwell, Dan. Vortex of Conflict: U.S. Policy Toward Afghanistan, Pakistan, and Iraq. Stanford Security Studies, 2011.