APA (7th ed.) Citation

Radford, E., Radford, M. A., & Hole, C. (1995). The encyclopedia of superstitions. Helicon.

Chicago Style (17th ed.) Citation

Radford, Edwin, Mona A. Radford, and Christina Hole. The Encyclopedia of Superstitions. Oxford: Helicon, 1995.

MLA (9th ed.) Citation

Radford, Edwin, et al. The Encyclopedia of Superstitions. Helicon, 1995.