APA (7th ed.) Citation

John & Soars, L. (1993). Headway: Students book intermediate. Oxford University Press.

Chicago Style (17th ed.) Citation

John and Liz Soars. Headway: Students Book Intermediate. Oxford University Press, 1993.

MLA (8th ed.) Citation

John and Liz Soars. Headway: Students Book Intermediate. Oxford University Press, 1993.

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