APA (7th ed.) Zitazioa

Dickens, C. (1994). The christmas books. Penguin Books.

Chicago Style (17th ed.) Zitazioa

Dickens, Charles. The Christmas Books. Londres: Penguin Books, 1994.

MLA (9th ed.) Zitazioa

Dickens, Charles. The Christmas Books. Penguin Books, 1994.