APA (7th ed.) Citation

Soars, L., & Soars, J. (2009). New headway (4. ed.). Univ. Press.

Chicago Style (17th ed.) Citation

Soars, Liz, and John Soars. New Headway. 4. ed. Oxford: Univ. Press, 2009.

MLA (9th ed.) Citation

Soars, Liz, and John Soars. New Headway. 4. ed. Univ. Press, 2009.