APA (7th ed.) Citation

O'Donohue, C. (2011). The devil's puzzle. Plume.

Chicago Style (17th ed.) Citation

O'Donohue, Clare. The Devil's Puzzle. New York: Plume, 2011.

MLA (8th ed.) Citation

O'Donohue, Clare. The Devil's Puzzle. Plume, 2011.

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