APA (7th ed.) Citation

Christie, A. (1978). Hercule Poirot's christmas (15. impr.). Fontana.

Chicago Style (17th ed.) Citation

Christie, Agatha. Hercule Poirot's Christmas. 15. impr. London: Fontana, 1978.

MLA (9th ed.) Citation

Christie, Agatha. Hercule Poirot's Christmas. 15. impr. Fontana, 1978.

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