APA (7th ed.) Citation

Soars J. John, Soars L. Liz, & Wheeldon S. Sylvia. (2011). New Headway. Pre-Intermediate: Workbook with key (3rd ed.). Oxford, Oxford University Press, 2011.

Chicago Style (17th ed.) Citation

Soars J. John, Soars L. Liz, and Wheeldon S. Sylvia. New Headway. Pre-Intermediate: Workbook with Key. 3rd ed. Oxford, Oxford University Press, 2011, 2011.

MLA (9th ed.) Citation

Soars J. John, et al. New Headway. Pre-Intermediate: Workbook with Key. 3rd ed. Oxford, Oxford University Press, 2011, 2011.