APA (7th ed.) Citation

Clementson, T., Gray, L., & Smith, H. (2010). English Unlimited: B1+ Intermediate Teacher"s pack. Cambidge Unviersity Press.

Chicago Style (17th ed.) Citation

Clementson, Theresa, Leanne Gray, and Howard Smith. English Unlimited: B1+ Intermediate Teacher"s Pack. Cambridge: Cambidge Unviersity Press, 2010.

MLA (9th ed.) Citation

Clementson, Theresa, et al. English Unlimited: B1+ Intermediate Teacher"s Pack. Cambidge Unviersity Press, 2010.