APA (7th ed.) Zitazioa
Dickens, C. (1956). A christmas carol: In prose. The king penguin books.
Chicago Style (17th ed.) Zitazioa
Dickens, Charles. A Christmas Carol: In Prose. London: The king penguin books, 1956.
MLA (9th ed.) Zitazioa
Dickens, Charles. A Christmas Carol: In Prose. The king penguin books, 1956.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.