APA (7th ed.) Citation

Great Britain. General Register Office. (1966). Census 1961, England and Wales: Greater London tables. H.M.S.O..

Chicago Style (17th ed.) Citation

Great Britain. General Register Office. Census 1961, England and Wales: Greater London Tables. London: H.M.S.O., 1966.

MLA (9th ed.) Citation

Great Britain. General Register Office. Census 1961, England and Wales: Greater London Tables. H.M.S.O., 1966.

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