APA Style

Swan, Michael. (1995). Practical English Usage (Ed. 2). Oxford: Oxford University Press.

Chicago Style

Swan, Michael. Practical English Usage. Ed. 2 Oxford: Oxford University Press, 1995. Text.

MLA Style

Swan, Michael. Practical English Usage. Ed. 2 Oxford: Oxford University Press, 1995. Text.

Turabian Style

Swan, Michael. Practical English Usage. Ed. 2 Oxford: Oxford University Press, 1995. Print.