APA (7th ed.) Citation

Soars L. Liz, Soars J. John, & Wheeldon S. Sylvia. (2009). New Headway Upper-Intermediate: Workbook with key (3d ed.). New York, Oxford University Press, 2009.

Chicago Style (17th ed.) Citation

Soars L. Liz, Soars J. John, and Wheeldon S. Sylvia. New Headway Upper-Intermediate: Workbook with Key. 3d ed. New York, Oxford University Press, 2009, 2009.

MLA (9th ed.) Citation

Soars L. Liz, et al. New Headway Upper-Intermediate: Workbook with Key. 3d ed. New York, Oxford University Press, 2009, 2009.