Style de citation APA (7e éd.)

COI & Central Office of Information. (1994). The british system of government (2a. ed.). HMSO.

Style de citation Chicago (17e éd.)

COI et Central Office of Information. The British System of Government. 2a. ed. Londres: HMSO, 1994.

Style de citation MLA (9e éd.)

COI et Central Office of Information. The British System of Government. 2a. ed. HMSO, 1994.