APA (7th ed.) Citation

Chapman, M., & Mahon, B. (1986). Plain figures. HMSO.

Chicago Style (17th ed.) Citation

Chapman, Myra, and Basil Mahon. Plain Figures. London: HMSO, 1986.

MLA (9th ed.) Citation

Chapman, Myra, and Basil Mahon. Plain Figures. HMSO, 1986.

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