APA (7th ed.) Citation

Soars. (1998). New Headway English Course: Intermediate teacher's book. Oxford University Press.

Chicago Style (17th ed.) Citation

Soars. New Headway English Course: Intermediate Teacher's Book. Oxford: Oxford University Press, 1998.

MLA (9th ed.) Citation

Soars. New Headway English Course: Intermediate Teacher's Book. Oxford University Press, 1998.

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