APA (7th ed.) Citation

Christie, A., & Riviere, F. (2007). The mystery of the blue train. Harpercollins publishers.

Chicago Style (17th ed.) Citation

Christie, Agatha, and Francois Riviere. The Mystery of the Blue Train. London: Harpercollins publishers, 2007.

MLA (9th ed.) Citation

Christie, Agatha, and Francois Riviere. The Mystery of the Blue Train. Harpercollins publishers, 2007.

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