APA (7th ed.) Citation

Christie, A. (1987). The secret of chimneys. Bantam Books.

Chicago Style (17th ed.) Citation

Christie, Agatha. The Secret of Chimneys. Toronto ; New York: Bantam Books, 1987.

MLA (9th ed.) Citation

Christie, Agatha. The Secret of Chimneys. Bantam Books, 1987.

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