APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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