APA (7th ed.) Citation

India. Office of the Registrar General. (1971). Census of India, 1961: West Bengal and Sikkim. Manager of Publications.

Chicago Style (17th ed.) Citation

India. Office of the Registrar General. Census of India, 1961: West Bengal and Sikkim. Manager of Publications, 1971.

MLA (9th ed.) Citation

India. Office of the Registrar General. Census of India, 1961: West Bengal and Sikkim. Manager of Publications, 1971.

Warning: These citations may not always be 100% accurate.