Παραπομπή APA

Cavendish, R. (1974). The encyclopedia of the unexplained: Magic, occultism, and parapsychology. McGraw-Hill.

Παραπομπή Chicago Style

Cavendish, Richard. The Encyclopedia of the Unexplained: Magic, Occultism, and Parapsychology. New York: McGraw-Hill, 1974.

Παραπομπή MLA

Cavendish, Richard. The Encyclopedia of the Unexplained: Magic, Occultism, and Parapsychology. McGraw-Hill, 1974.