APA (7th ed.) Citation

Ur, P., & Swan, M. (2011). Grammar practice activities: A practical guide for teachers (2nd ed., [4th printing].). Cambridge University Press.

Chicago Style (17th ed.) Citation

Ur, Penny, and Michael Swan. Grammar Practice Activities: A Practical Guide for Teachers. 2nd ed., [4th printing]. Cambridge [etc.]: Cambridge University Press, 2011.

MLA (9th ed.) Citation

Ur, Penny, and Michael Swan. Grammar Practice Activities: A Practical Guide for Teachers. 2nd ed., [4th printing]. Cambridge University Press, 2011.