APA (7th ed.) Citation

Christie, A. (2011). Peril at end house: A Hercule Poirot mystery. William Morrow.

Chicago Style (17th ed.) Citation

Christie, Agatha. Peril at End House: A Hercule Poirot Mystery. New York: William Morrow, 2011.

MLA (8th ed.) Citation

Christie, Agatha. Peril at End House: A Hercule Poirot Mystery. William Morrow, 2011.

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