APA (7th ed.) Citation

Graham, L., & Sargent, D. (1981). Countdown to mathematics / Lynne Graham and David Sargent. Addison-Wesley in association with the Open University Press.

Chicago Style (17th ed.) Citation

Graham, Lynne, and David Sargent. Countdown to Mathematics / Lynne Graham and David Sargent. London: Addison-Wesley in association with the Open University Press, 1981.

MLA (9th ed.) Citation

Graham, Lynne, and David Sargent. Countdown to Mathematics / Lynne Graham and David Sargent. Addison-Wesley in association with the Open University Press, 1981.

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