APA (7th ed.) Citation

Parker, G. (1985). Western geopolitical thought in the twentieth century / Geoffrey Parker. Croom Helm.

Chicago Style (17th ed.) Citation

Parker, Geoffrey. Western Geopolitical Thought in the Twentieth Century / Geoffrey Parker. London: Croom Helm, 1985.

MLA (9th ed.) Citation

Parker, Geoffrey. Western Geopolitical Thought in the Twentieth Century / Geoffrey Parker. Croom Helm, 1985.

Warning: These citations may not always be 100% accurate.