Cita APA (7a ed.)

Claes, D. H. (2001). The politics of oil-producer cooperation. Westview Press.

Cita Chicago Style (17a ed.)

Claes, Dag Harald. The Politics of Oil-producer Cooperation. Boulder, Colorado: Westview Press, 2001.

Cita MLA (9a ed.)

Claes, Dag Harald. The Politics of Oil-producer Cooperation. Westview Press, 2001.