APA Style

Swan, Michael. (2016). Practical English Usage (Fourth). Oxford: Oxford University Press.

Chicago Style

Swan, Michael. Practical English Usage. Fourth Oxford: Oxford University Press, 2016. Text.

MLA Style

Swan, Michael. Practical English Usage. Fourth Oxford: Oxford University Press, 2016. Text.

Turabian Style

Swan, Michael. Practical English Usage. Fourth Oxford: Oxford University Press, 2016. Print.