Cita APA

Crystal, D. (1997). The Cambridge encyclopedia of language (2nd. ed.). Cambridge, U. K.: Cambridge University Press.

Citación estilo Chicago

Crystal, David. The Cambridge Encyclopedia of Language. 2nd. ed. Cambridge, U. K.: Cambridge University Press, 1997.

Cita MLA

Crystal, David. The Cambridge Encyclopedia of Language. 2nd. ed. Cambridge, U. K.: Cambridge University Press, 1997.