APA (7th ed.) Citation

ScienceDirect (Online service). (1992). Political geography. Butterworth-Heinemann.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service). Political Geography. Oxford, England: Butterworth-Heinemann, 1992.

MLA (8th ed.) Citation

ScienceDirect (Online service). Political Geography. Butterworth-Heinemann, 1992.

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