Parker, G. (1985). Western geopolitical thought in the twentieth century. Croom Helm.
Chicago Style (17th ed.) CitationParker, Geoffrey. Western Geopolitical Thought in the Twentieth Century. Croom Helm, 1985.
MLA (9th ed.) CitationParker, Geoffrey. Western Geopolitical Thought in the Twentieth Century. Croom Helm, 1985.
Warning: These citations may not always be 100% accurate.