Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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