APA (7th ed.) Citation

Soars, L., & Soars, J. (2005). New headway: Upper-intermediate student's book (Third edition./ New edition.). Oxford University.

Chicago Style (17th ed.) Citation

Soars, Liz, and John Soars. New Headway: Upper-intermediate Student's Book. Third edition./ New edition. New York: Oxford University, 2005.

MLA (9th ed.) Citation

Soars, Liz, and John Soars. New Headway: Upper-intermediate Student's Book. Third edition./ New edition. Oxford University, 2005.