APA Style

Soars, L., Soars, L. (2013). New Headway: Intermediate Workbook with key (4th Edition). New York: Oxford Universiy Press.

MLA Style

Soars, Liz-p., Soars, Liz. "New Headway: Intermediate Workbook with key". 4th Edition New York: Oxford Universiy Press, 2013. Text.