APA (7th ed.) Citation

Soars, J., & Soars, L. (2000). New headway English course. Oxford University Press.

Chicago Style (17th ed.) Citation

Soars, John, and Liz Soars. New Headway English Course. New York: Oxford University Press, 2000.

MLA (8th ed.) Citation

Soars, John, and Liz Soars. New Headway English Course. Oxford University Press, 2000.