APA (7th ed.) Citation

(1981). The interception of communications in Great Britain: Pres. to Parliament by the Prime Minister of Her Majesty, March 1981. H.M.S.O.

Chicago Style (17th ed.) Citation

The Interception of Communications in Great Britain: Pres. to Parliament by the Prime Minister of Her Majesty, March 1981. London: H.M.S.O, 1981.

MLA (8th ed.) Citation

The Interception of Communications in Great Britain: Pres. to Parliament by the Prime Minister of Her Majesty, March 1981. H.M.S.O, 1981.