Melton, G. (1996). Encyclopedia of occultism & parapsychology (4th. ed.). Gale Research.
Cita Chicago (17th ed.)Melton, Gordon. Encyclopedia of Occultism & Parapsychology. 4th. ed. Detroit, Mich: Gale Research, 1996.
Cita MLA (9th ed.)Melton, Gordon. Encyclopedia of Occultism & Parapsychology. 4th. ed. Gale Research, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.