Cita APA (7a ed.)

Nickell, J. (2005). Unsolved History: Investigating Mysteries of the Past. University Press of Kentucky.

Cita Chicago Style (17a ed.)

Nickell, Joe. Unsolved History: Investigating Mysteries of the Past. Lexington, Ky.: University Press of Kentucky, 2005.

Cita MLA (8a ed.)

Nickell, Joe. Unsolved History: Investigating Mysteries of the Past. University Press of Kentucky, 2005.