APA (7th ed.) Citation

Dickens, C., & Chesterton, G. K. Christmas books. Collins.

Chicago Style (17th ed.) Citation

Dickens, Charles, and G. K. Chesterton. Christmas Books. London: Collins.

MLA (9th ed.) Citation

Dickens, Charles, and G. K. Chesterton. Christmas Books. Collins.

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