APA (7th ed.) Citation

Liz & John Soars. (2000). A Headway English Course (1st.). Oxford University Press.

Chicago Style (17th ed.) Citation

Liz and John Soars. A Headway English Course. 1st. UK: Oxford University Press, 2000.

MLA (9th ed.) Citation

Liz and John Soars. A Headway English Course. 1st. Oxford University Press, 2000.