APA Style

Clarke, Michael. (1989). Understanding Foreign Policy : the foreign policy systems approach . Aldershot, Hants, England: Brookfield, Vt., USA.

Chicago Style

Clarke, Michael. Understanding Foreign Policy : the foreign policy systems approach. Aldershot, Hants, England: Brookfield, Vt., USA, 1989. Text.

MLA Style

Clarke, Michael. Understanding Foreign Policy : the foreign policy systems approach. Aldershot, Hants, England: Brookfield, Vt., USA, 1989. Text.

Turabian Style

Clarke, Michael. Understanding Foreign Policy : the foreign policy systems approach. Aldershot, Hants, England: Brookfield, Vt., USA, 1989. Print.