APA (7th ed.) Citation

O'Brien, T. H. (1955). Civil defence. H.M. Stationery Off..

Chicago Style (17th ed.) Citation

O'Brien, Terence Henry. Civil Defence. London: H.M. Stationery Off., 1955.

MLA (8th ed.) Citation

O'Brien, Terence Henry. Civil Defence. H.M. Stationery Off., 1955.

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