APA (7th ed.) Citation

Christie, A. (2000). At Bertram's Hotel. Signet.

Chicago Style (17th ed.) Citation

Christie, Agatha. At Bertram's Hotel. New York: Signet, 2000.

MLA (9th ed.) Citation

Christie, Agatha. At Bertram's Hotel. Signet, 2000.

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