APA Edition Citation

Sen, D. (1975). Basic principles of geopolitics and history, thoeretical aspect of international ralations. Concept Publishing.

Chicago Edition Citation

Sen, Debabrata. Basic Principles of Geopolitics and History, Thoeretical Aspect of International Ralations. Delhi: Concept Publishing, 1975.

MLA Edition Citation

Sen, Debabrata. Basic Principles of Geopolitics and History, Thoeretical Aspect of International Ralations. Concept Publishing, 1975.