APA (7th ed.) Citation

Christie, A. (1953). The secret of chimneys. Dell mystery.

Chicago Style (17th ed.) Citation

Christie, Agatha. The Secret of Chimneys. New York: Dell mystery, 1953.

MLA (8th ed.) Citation

Christie, Agatha. The Secret of Chimneys. Dell mystery, 1953.

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