APA (7th ed.) Citation

Swan, M. (2002). Practical English usage (2. ed., 14. impression.). Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Swan, Michael. Practical English Usage. 2. ed., 14. impression. Oxford [u.a.]: Oxford Univ. Press, 2002.

MLA (9th ed.) Citation

Swan, Michael. Practical English Usage. 2. ed., 14. impression. Oxford Univ. Press, 2002.