APA (7th ed.) Citation

Christie,Agatha. (1984). Three act tragedy: A hercule poirot novel. Berkley books.

Chicago Style (17th ed.) Citation

Christie,Agatha. Three Act Tragedy: A Hercule Poirot Novel. New York: Berkley books, 1984.

MLA (9th ed.) Citation

Christie,Agatha. Three Act Tragedy: A Hercule Poirot Novel. Berkley books, 1984.

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