APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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