APA (7th ed.) Citation

Christie,Agatha. The Sittaford Mystery. Berkley.

Chicago Style (17th ed.) Citation

Christie,Agatha. The Sittaford Mystery. New York: Berkley.

MLA (9th ed.) Citation

Christie,Agatha. The Sittaford Mystery. Berkley.

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