Citazione Stile APA (7a Edizione)

Clarke, M., & White, B. (1989). Understanding foreign policy: The foreign policy systems approach. E. Elgar Gower.

Citazione stile Chigago Style (17a edizione)

Clarke, Michael, e Brian White. Understanding Foreign Policy: The Foreign Policy Systems Approach. Aldershot, Hants, England, Brookfield, Vt., USA: E. Elgar Gower, 1989.

Citatione MLA (9a ed.)

Clarke, Michael, e Brian White. Understanding Foreign Policy: The Foreign Policy Systems Approach. E. Elgar Gower, 1989.