APA (7th ed.) Citation

Swan, M., & Walter, C. (1997). How English works : a grammar practice book with answers / Michael Swan and Catherine Walter: A grammar practice book with answers. Oxford University Press.

Chicago Style (17th ed.) Citation

Swan, Michael, and Catherine Walter. How English Works : A Grammar Practice Book with Answers / Michael Swan and Catherine Walter: A Grammar Practice Book with Answers. Oxford ; New York: Oxford University Press, 1997.

MLA (9th ed.) Citation

Swan, Michael, and Catherine Walter. How English Works : A Grammar Practice Book with Answers / Michael Swan and Catherine Walter: A Grammar Practice Book with Answers. Oxford University Press, 1997.

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