APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Clarke, Michael, and Brian White. Understanding Foreign Policy: : The Foreign Policy Systems Approach. Aldershot [etc.]: E. Elgar, 1989.

MLA (9th ed.) Citation

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