APA (7th ed.) Citation

Roberts, B., & MacKenzie, S. (2007). Mathematics higher level for the IB Diploma: Bill Roberts, Sandy MacKenzie. Oxford University Press.

Chicago Style (17th ed.) Citation

Roberts, Bill, and Sandy MacKenzie. Mathematics Higher Level for the IB Diploma: Bill Roberts, Sandy MacKenzie. Oxford: Oxford University Press, 2007.

MLA (8th ed.) Citation

Roberts, Bill, and Sandy MacKenzie. Mathematics Higher Level for the IB Diploma: Bill Roberts, Sandy MacKenzie. Oxford University Press, 2007.

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