APA (7th ed.) Citation

Liz & John Soars, McCaul, J., & Soars, J. (2019). New headway: Upper-intermediate workbook with key (Fifth edition.). Oxford University Press:.

Chicago Style (17th ed.) Citation

Liz & John Soars, Jo McCaul, and John Soars. New Headway: Upper-intermediate Workbook with Key. Fifth edition. Oxford: Oxford University Press:, 2019.

MLA (9th ed.) Citation

Liz & John Soars, et al. New Headway: Upper-intermediate Workbook with Key. Fifth edition. Oxford University Press:, 2019.