APA (7th ed.) Citation

Soars L. Liz, Soars J. John, & Falla T. Tim. (2003). New Headway Advanced: Workbook with key. Oxford, Oxford University Press, 2003.

Chicago Style (17th ed.) Citation

Soars L. Liz, Soars J. John, and Falla T. Tim. New Headway Advanced: Workbook with Key. Oxford, Oxford University Press, 2003, 2003.

MLA (9th ed.) Citation

Soars L. Liz, et al. New Headway Advanced: Workbook with Key. Oxford, Oxford University Press, 2003, 2003.