Cita APA (7th ed.)

Crystal, D. (1995). The Cambridge encyclopedia of the english: Language. Univ.

Cita Chicago (17th ed.)

Crystal, David. The Cambridge Encyclopedia of the English: Language. Cambridge: Univ, 1995.

Cita MLA (9th ed.)

Crystal, David. The Cambridge Encyclopedia of the English: Language. Univ, 1995.