Cita APA (7a ed.)

Redston, C., & Cunningham, G. (2007). Face2face: Upper intermediate Student's book (1st published.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Redston, Chris, y Gillie Cunningham. Face2face: Upper Intermediate Student's Book. 1st published. Madrid: Cambridge University Press, 2007.

Cita MLA (9a ed.)

Redston, Chris, y Gillie Cunningham. Face2face: Upper Intermediate Student's Book. 1st published. Cambridge University Press, 2007.