Cita APA

Soars, J. 1., & Soars, L. 1. (2001). American headway 2. New York, New York: Oxford University Press.

Citación estilo Chicago

Soars, John 1951-, y Liz 1945- Soars. American Headway 2. New York, New York: Oxford University Press, 2001.

Cita MLA

Soars, John 1951-, y Liz 1945- Soars. American Headway 2. New York, New York: Oxford University Press, 2001.