APA (7th ed.) Citation

Roberts, B., & Mackenzie, S. (2007). Mathematics: Higher level : for IB Diploma programme. Oxford University Press.

Chicago Style (17th ed.) Citation

Roberts, Bill, and Samdy Mackenzie. Mathematics: Higher Level : For IB Diploma Programme. Oxford: Oxford University Press, 2007.

MLA (9th ed.) Citation

Roberts, Bill, and Samdy Mackenzie. Mathematics: Higher Level : For IB Diploma Programme. Oxford University Press, 2007.