APA (7th ed.) Citation

Christie, A. (1942). Peril at End House. Pocket Books.

Chicago Style (17th ed.) Citation

Christie, Agatha. Peril at End House. New York: Pocket Books, 1942.

MLA (9th ed.) Citation

Christie, Agatha. Peril at End House. Pocket Books, 1942.

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