APA (7th ed.) Citation
Daintith, J., & Nelson, R. (1989). The Penguin Dictionary of Mathematics. Penguin Books Ltd.
Chicago Style (17th ed.) Citation
Daintith, John, and R.D Nelson. The Penguin Dictionary of Mathematics. London: Penguin Books Ltd, 1989.
MLA (9th ed.) Citation
Daintith, John, and R.D Nelson. The Penguin Dictionary of Mathematics. Penguin Books Ltd, 1989.
Warning: These citations may not always be 100% accurate.