APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Swan, Michael. Practical English Usage. 3rd ed, International student's ed. Oxford: Oxford University Press, 2005.

MLA (9th ed.) Citation

Swan, Michael. Practical English Usage. 3rd ed, International student's ed. Oxford University Press, 2005.

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