APA (7th ed.) Citation

Soars, J. J., Soars, L. L., & Sayer, M. M. (2007). New Headway: Teacher's book. University Press.

Chicago Style (17th ed.) Citation

Soars, J. John, L. Liz Soars, and M. Mike Sayer. New Headway: Teacher's Book. Oxford: University Press, 2007.

MLA (8th ed.) Citation

Soars, J. John, et al. New Headway: Teacher's Book. University Press, 2007.