APA-referens (7:e uppl.)

Nickell, J. (2005). Secrets of the sideshows. University Press of Kentucky.

Chicago-referens (17:e uppl.)

Nickell, Joe. Secrets of the Sideshows. Lexington, Ky.: University Press of Kentucky, 2005.

MLA-referens (9:e uppl.)

Nickell, Joe. Secrets of the Sideshows. University Press of Kentucky, 2005.