APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Soars, John, and Liz Soars. New Headway English Course. Oxford : c2000 [2001 printing]: Oxford University Press.

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.