APA Edition Citation

Bridge, F. R., & Bullen, R. (1980). The Great powers and the European states system 1815-1914.

Chicago Edition Citation

Bridge, F R., and Roger Bullen. The Great Powers and the European States System 1815-1914. London, Longman, 1980.

MLA Edition Citation

Bridge, F R., and Roger Bullen. The Great Powers and the European States System 1815-1914. 1980.