Nickell, J. (2005). Unsolved History: Investigating Mysteries of the Past. University Press of Kentucky.
Style de citation Chicago (17e éd.)Nickell, Joe. Unsolved History: Investigating Mysteries of the Past. Lexington, Ky.: University Press of Kentucky, 2005.
Style de citation MLA (8e éd.)Nickell, Joe. Unsolved History: Investigating Mysteries of the Past. University Press of Kentucky, 2005.
Attention : ces citations peuvent ne pas être correctes à 100%.