APA (7th ed.) Citation

Swan & Walter. (2001). The good grammar book: A grammar practice book for elementary to lower-intermediate students of English with answers. Oxford University Press.

Chicago Style (17th ed.) Citation

Swan and Walter. The Good Grammar Book: A Grammar Practice Book for Elementary to Lower-intermediate Students of English with Answers. Oxford: Oxford University Press, 2001.

MLA (8th ed.) Citation

Swan and Walter. The Good Grammar Book: A Grammar Practice Book for Elementary to Lower-intermediate Students of English with Answers. Oxford University Press, 2001.