APA (7th ed.) Citation

Soars L. Liz & Soars J. John. (2010). New Headway. Intermediate: Workbook with key (3rd ed.). New York, Oxford University Press, 2010.

Chicago Style (17th ed.) Citation

Soars L. Liz and Soars J. John. New Headway. Intermediate: Workbook with Key. 3rd ed. New York, Oxford University Press, 2010, 2010.

MLA (9th ed.) Citation

Soars L. Liz and Soars J. John. New Headway. Intermediate: Workbook with Key. 3rd ed. New York, Oxford University Press, 2010, 2010.