APA (7th ed.) Citation

Bradley, C. J. (2005). Challenges in geometry: For mathematical Olympians past and present. Oxford University Press.

Chicago Style (17th ed.) Citation

Bradley, Christopher J. Challenges in Geometry: For Mathematical Olympians Past and Present. Oxford: Oxford University Press, 2005.

MLA (9th ed.) Citation

Bradley, Christopher J. Challenges in Geometry: For Mathematical Olympians Past and Present. Oxford University Press, 2005.