APA (7th ed.) Citation

Soars L. Liz & Soars J. John. (2003). New Headway English Course. Intermediate: Student's Book (25th ed.). New York, Oxford University Press, 2003.

Chicago Style (17th ed.) Citation

Soars L. Liz and Soars J. John. New Headway English Course. Intermediate: Student's Book. 25th ed. New York, Oxford University Press, 2003, 2003.

MLA (9th ed.) Citation

Soars L. Liz and Soars J. John. New Headway English Course. Intermediate: Student's Book. 25th ed. New York, Oxford University Press, 2003, 2003.