Geological Survey of India & Roy, B. C. (1963). Geological map of India. The Survey.
Chicago Style (17th ed.) CitationGeological Survey of India and B. C. Roy. Geological Map of India. [Calcutta?]: The Survey, 1963.
MLA (9th ed.) CitationGeological Survey of India and B. C. Roy. Geological Map of India. The Survey, 1963.
Warning: These citations may not always be 100% accurate.