APA (7th ed.) Citation

Chapman, M. (1986). Plain figures. Her Majesty's Stationery Office.

Chicago Style (17th ed.) Citation

Chapman, Myra. Plain Figures. London: Her Majesty's Stationery Office, 1986.

MLA (9th ed.) Citation

Chapman, Myra. Plain Figures. Her Majesty's Stationery Office, 1986.