Craig, J. (1975). Population density and concentration in Great Britain 1931, 1951 and 1961. HMSO.
Chicago Style (17th ed.) CitationCraig, John. Population Density and Concentration in Great Britain 1931, 1951 and 1961. London: HMSO, 1975.
MLA (9th ed.) CitationCraig, John. Population Density and Concentration in Great Britain 1931, 1951 and 1961. HMSO, 1975.
Warning: These citations may not always be 100% accurate.