APA (7th ed.) Citation

Clapham, C. (1990). A concise dictionary of mathematics. Oxford University Press.

Chicago Style (17th ed.) Citation

Clapham, Christopher. A Concise Dictionary of Mathematics. Oxford: Oxford University Press, 1990.

MLA (9th ed.) Citation

Clapham, Christopher. A Concise Dictionary of Mathematics. Oxford University Press, 1990.