Cita APA (7a ed.)
(1992). Political geography. Butterworth-Heinemann.
Cita Chicago Style (17a ed.)
Political Geography. Oxford, England: Butterworth-Heinemann, 1992.
Cita MLA (9a ed.)
Political Geography. Butterworth-Heinemann, 1992.
Precaución: Estas citas no son 100% exactas.