APA (7th ed.) Citation

Soars John & Soars Liz. (1998). New Headway English Course: Teacher's Book. Intermediate (4-th ed.). Oxford, Oxford University Press, 1998.

Chicago Style (17th ed.) Citation

Soars John and Soars Liz. New Headway English Course: Teacher's Book. Intermediate. 4-th ed. Oxford, Oxford University Press, 1998, 1998.

MLA (9th ed.) Citation

Soars John and Soars Liz. New Headway English Course: Teacher's Book. Intermediate. 4-th ed. Oxford, Oxford University Press, 1998, 1998.