APA (7th ed.) Citation

Dickens, C. (1956). A christmas carol: In prose. The king penguin books.

Chicago Style (17th ed.) Citation

Dickens, Charles. A Christmas Carol: In Prose. London: The king penguin books, 1956.

MLA (9th ed.) Citation

Dickens, Charles. A Christmas Carol: In Prose. The king penguin books, 1956.