APA (7th ed.) Citation

Soars, L., & Soars, J. (2004). New headway: English course : elementary student's book (Intermediate Workbook : with key.). Oxford University Press.

Chicago Style (17th ed.) Citation

Soars, Liz, and John Soars. New Headway: English Course : Elementary Student's Book. Intermediate Workbook : with key. Oxford: Oxford University Press, 2004.

MLA (8th ed.) Citation

Soars, Liz, and John Soars. New Headway: English Course : Elementary Student's Book. Intermediate Workbook : with key. Oxford University Press, 2004.