APA (7th ed.) Citation
Soars, J., & Soars, L. (1996). Headway. Student's Book. Pre-intermediate (1. Edition.). The University Press.
Chicago Style (17th ed.) Citation
Soars, John, and Liz Soars. Headway. Student's Book. Pre-intermediate. 1. Edition. Oxford: The University Press, 1996.
MLA (9th ed.) Citation
Soars, John, and Liz Soars. Headway. Student's Book. Pre-intermediate. 1. Edition. The University Press, 1996.
Warning: These citations may not always be 100% accurate.