Van, V., & Stoiz, C. L. (1963). Elements of political geography (2nd ed.). Prentice-Hall of India.
Cita Chicago Style (17a ed.)Van, Valkenburg, y Carl L. Stoiz. Elements of Political Geography. 2nd ed. New Delhi: Prentice-Hall of India, 1963.
Cita MLA (9a ed.)Van, Valkenburg, y Carl L. Stoiz. Elements of Political Geography. 2nd ed. Prentice-Hall of India, 1963.
Precaución: Estas citas no son 100% exactas.