APA (7th ed.) Citation

Christie, A. (2001). The clocks. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Christie, Agatha. The Clocks. London: HarperCollins Publishers, 2001.

MLA (9th ed.) Citation

Christie, Agatha. The Clocks. HarperCollins Publishers, 2001.

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