APA (7th ed.) Citation

Central Electricity Generating Board. (Great Britain) & Central Electricity Generating Board. Personnel Department. (1968). Speaking and writing (5th ed.). The Board.

Chicago Style (17th ed.) Citation

Central Electricity Generating Board. (Great Britain) and Central Electricity Generating Board. Personnel Department. Speaking and Writing. 5th ed. London: The Board, 1968.

MLA (9th ed.) Citation

Central Electricity Generating Board. (Great Britain) and Central Electricity Generating Board. Personnel Department. Speaking and Writing. 5th ed. The Board, 1968.