Cita APA (7th ed.)

Barber, C. L., Beal, J. C., & Shaw, P. A. (2009). The English language: A historical introduction (2nd ed.). Cambridge University Press.

Cita Chicago (17th ed.)

Barber, Charles Laurence, Joan C. Beal, i Philip A. Shaw. The English Language: A Historical Introduction. 2nd ed. Cambridge, [England]: Cambridge University Press, 2009.

Cita MLA (9th ed.)

Barber, Charles Laurence, et al. The English Language: A Historical Introduction. 2nd ed. Cambridge University Press, 2009.