APA (7th ed.) Citation

Swan. (2005). Practical English usage: New international student's edition. Oxford University Press.

Chicago Style (17th ed.) Citation

Swan. Practical English Usage: New International Student's Edition. New York: Oxford University Press, 2005.

MLA (8th ed.) Citation

Swan. Practical English Usage: New International Student's Edition. Oxford University Press, 2005.

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