APA Style

Ur, Penny. (2009). Grammar Practice Activities: A practical guide for teachers. 2nd Edition (2nd Edition). Cambridge: Cambridge University Press.

Chicago Style

Ur, Penny. Grammar Practice Activities: A practical guide for teachers. 2nd Edition. 2nd Edition Cambridge: Cambridge University Press, 2009. Text.

MLA Style

Ur, Penny. Grammar Practice Activities: A practical guide for teachers. 2nd Edition. 2nd Edition Cambridge: Cambridge University Press, 2009. Text.

Turabian Style

Ur, Penny. Grammar Practice Activities: A practical guide for teachers. 2nd Edition. 2nd Edition Cambridge: Cambridge University Press, 2009. Print.