APA (7th ed.) Citation

A.Gardiner. (2000). The Mathematical Olympiad Handbook. Oxford.

Chicago Style (17th ed.) Citation

A.Gardiner. The Mathematical Olympiad Handbook. Oxford, 2000.

MLA (8th ed.) Citation

A.Gardiner. The Mathematical Olympiad Handbook. Oxford, 2000.

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