APA (7th ed.) Citation

Great Britain. Central Office of Information. Reference Division. (1977). The monarchy in Britain (3rd ed.). H.M.S.O..

Chicago Style (17th ed.) Citation

Great Britain. Central Office of Information. Reference Division. The Monarchy in Britain. 3rd ed. London: H.M.S.O., 1977.

MLA (8th ed.) Citation

Great Britain. Central Office of Information. Reference Division. The Monarchy in Britain. 3rd ed. H.M.S.O., 1977.