APA (7th ed.) Citation

Doff, A., & Smith, H. (2010). English Unlimited: B1 Pre-intermediate Teacher"s pack. Cambridge University Press.

Chicago Style (17th ed.) Citation

Doff, Adrian, and Howard Smith. English Unlimited: B1 Pre-intermediate Teacher"s Pack. Cambridge: Cambridge University Press, 2010.

MLA (9th ed.) Citation

Doff, Adrian, and Howard Smith. English Unlimited: B1 Pre-intermediate Teacher"s Pack. Cambridge University Press, 2010.