APA (7th ed.) Citation

Great Britain. General Register Office. (1965). Census 1961, England and Wales: Commonwealth immigrants in the conurbations. H.M.S.O..

Chicago Style (17th ed.) Citation

Great Britain. General Register Office. Census 1961, England and Wales: Commonwealth Immigrants in the Conurbations. London: H.M.S.O., 1965.

MLA (9th ed.) Citation

Great Britain. General Register Office. Census 1961, England and Wales: Commonwealth Immigrants in the Conurbations. H.M.S.O., 1965.

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