APA Citation

Swan, M. (1997). Practical English usage (2nd ed.). Oxford: OUP.

Chicago Style Citation

Swan, Michael. Practical English Usage. 2nd ed. Oxford: OUP, 1997.

MLA Citation

Swan, Michael. Practical English Usage. 2nd ed. Oxford: OUP, 1997.

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