APA (7th ed.) Citation

Swan, M. (2005). Practical English Usage (Third edition.). Oxford University Press.

Chicago Style (17th ed.) Citation

Swan, Michael. Practical English Usage. Third edition. United Kingdom: Oxford University Press, 2005.

MLA (9th ed.) Citation

Swan, Michael. Practical English Usage. Third edition. Oxford University Press, 2005.

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