APA (7th ed.) Citation

Swan, M. (2005). Practical English usage (3rd ed.). Oxford University Press,.

Chicago Style (17th ed.) Citation

Swan, Michael. Practical English Usage. 3rd ed. Oxford ; New York: Oxford University Press,, 2005.

MLA (9th ed.) Citation

Swan, Michael. Practical English Usage. 3rd ed. Oxford University Press,, 2005.