APA Style

Soars, L, A, J., Wheeldon, S. (2003). New Headway Upper-Intermediate Workbook with key (3rd edn.). New York: Oxford Unversity Press.

MLA Style

Soars, Liz, And, John., Wheeldon, Sylvia. "New Headway Upper-Intermediate Workbook with key". 3rd edn. New York: Oxford Unversity Press, 2003. Text.