APA Style

Swan, Michael. (2005). Practical English Usage (ed. 3). Oxford: Oxford University Press.

Chicago Style

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

MLA Style

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

Turabian Style

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