APA Citation

Swan, M., & Walter, C. (2000). How english works: A grammar practice book. Oxford: OUP.

Chicago Style Citation

Swan, Michael, and Catherine Walter. How English Works: A Grammar Practice Book. Oxford: OUP, 2000.

MLA Citation

Swan, Michael, and Catherine Walter. How English Works: A Grammar Practice Book. Oxford: OUP, 2000.

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