APA (7th ed.) Citation

Soars L. Liz & Soars J. John. (2006). New Headway. Upper-Intermediate. Student's Book (third ed.). New York, Oxford University Press, 2006.

Chicago Style (17th ed.) Citation

Soars L. Liz and Soars J. John. New Headway. Upper-Intermediate. Student's Book. third ed. New York, Oxford University Press, 2006, 2006.

MLA (9th ed.) Citation

Soars L. Liz and Soars J. John. New Headway. Upper-Intermediate. Student's Book. third ed. New York, Oxford University Press, 2006, 2006.