APA (7th ed.) Citation

Soars J. John & Soars L. Liz. (1993). Headway. Pre-intermediate: Teacher's book. Oxford, Oxford University Press, 1993.

Chicago Style (17th ed.) Citation

Soars J. John and Soars L. Liz. Headway. Pre-intermediate: Teacher's Book. Oxford, Oxford University Press, 1993, 1993.

MLA (9th ed.) Citation

Soars J. John and Soars L. Liz. Headway. Pre-intermediate: Teacher's Book. Oxford, Oxford University Press, 1993, 1993.