Das Gupta, S., & Das Gupta, S. (1973). Proceedings of 21st International Geographical Congress: India 1968. National Committee for Geography.
Chicago Style (17th ed.) CitationDas Gupta, S.P., and S.P Das Gupta. Proceedings of 21st International Geographical Congress: India 1968. National Committee for Geography, 1973.
MLA (9th ed.) CitationDas Gupta, S.P., and S.P Das Gupta. Proceedings of 21st International Geographical Congress: India 1968. National Committee for Geography, 1973.
Warning: These citations may not always be 100% accurate.