APA (7th ed.) Citation

Soars L. Liz & Soars J. John. (2002). New Headway English Course; Upper-Intermediate; Teacher's Book (6-th ed.). New York, Oxford University Press, 2002.

Chicago Style (17th ed.) Citation

Soars L. Liz and Soars J. John. New Headway English Course; Upper-Intermediate; Teacher's Book. 6-th ed. New York, Oxford University Press, 2002, 2002.

MLA (9th ed.) Citation

Soars L. Liz and Soars J. John. New Headway English Course; Upper-Intermediate; Teacher's Book. 6-th ed. New York, Oxford University Press, 2002, 2002.