Cita APA (7a ed.)

Soars, J., & Soars, L. (2000). New headway English course. Oxford University Press.

Cita Chicago Style (17a ed.)

Soars, John, y Liz Soars. New Headway English Course. New York: Oxford University Press, 2000.

Cita MLA (8a ed.)

Soars, John, y Liz Soars. New Headway English Course. Oxford University Press, 2000.