APA (7th ed.) Citation

Longworth, M. L. (2019). A noël killing. Penguin Books.

Chicago Style (17th ed.) Citation

Longworth, M. L. A Noël Killing. New York: Penguin Books, 2019.

MLA (9th ed.) Citation

Longworth, M. L. A Noël Killing. Penguin Books, 2019.

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