Cita APA

Richards, J. C., Hull, J., & Proctor, S. (2013). Interchange (4th ed.). Cambridge: Cambridge University Press.

Citación estilo Chicago

Richards, Jack C.,, Jonathan Hull, y Susan Proctor. Interchange. 4th ed. Cambridge: Cambridge University Press, 2013.

Cita MLA

Richards, Jack C.,, Jonathan Hull, y Susan Proctor. Interchange. 4th ed. Cambridge: Cambridge University Press, 2013.