Cita APA (7a ed.)

Barber, C. (2005). The English language: A Historical introduction. Cambridge University.

Cita Chicago Style (17a ed.)

Barber, Charles. The English Language: A Historical Introduction. Cambridge: Cambridge University, 2005.

Cita MLA (9a ed.)

Barber, Charles. The English Language: A Historical Introduction. Cambridge University, 2005.