APA (7th ed.) Citation

Soars, L., & Soars, J. New Headway English course / Elementary. Cornelsen & Oxford.

Chicago Style (17th ed.) Citation

Soars, Liz, and John Soars. New Headway English Course / Elementary. Oxford [u.a.]: Cornelsen & Oxford.

MLA (9th ed.) Citation

Soars, Liz, and John Soars. New Headway English Course / Elementary. Cornelsen & Oxford.

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