APA (7th ed.) Citation

Operations, W. B. D. o. C. (1981). Census of India 1981. Series-23. Provisional population totals: West Bengal (Paper 1 of 1981). The author.

Chicago Style (17th ed.) Citation

Operations, West Bengal. Director of Census. Census of India 1981. Series-23. Provisional Population Totals: West Bengal (Paper 1 of 1981). The author, 1981.

MLA (9th ed.) Citation

Operations, West Bengal. Director of Census. Census of India 1981. Series-23. Provisional Population Totals: West Bengal (Paper 1 of 1981). The author, 1981.