APA (7th ed.) Citation

Hannah, S., & Christie, A. (2016). Closed casket: The new Hercule Poirot mystery (First edition.). William Morrow, an imprint of HarperCollinsPublishers.

Chicago Style (17th ed.) Citation

Hannah, Sophie, and Agatha Christie. Closed Casket: The New Hercule Poirot Mystery. First edition. New York: William Morrow, an imprint of HarperCollinsPublishers, 2016.

MLA (8th ed.) Citation

Hannah, Sophie, and Agatha Christie. Closed Casket: The New Hercule Poirot Mystery. First edition. William Morrow, an imprint of HarperCollinsPublishers, 2016.

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