APA (7th ed.) Citation

Ur, P., & Thornbury, S. (2012). Vocabulary activities (First published.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Ur, Penny, and Scott Thornbury. Vocabulary Activities. First published. Cambridge: Cambridge University Press, 2012.

MLA (9th ed.) Citation

Ur, Penny, and Scott Thornbury. Vocabulary Activities. First published. Cambridge University Press, 2012.