APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Dickens, Charles. The Christmas Books. London u.a: Penguin Books, 1994.

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.