Παραπομπή APA

Cavendish, R. (1974). Encyclopedia of the unexplained: Magic occultism and parapsychology. Routledge & Kegan Paul.

Παραπομπή Chicago Style

Cavendish, Richard. Encyclopedia of the Unexplained: Magic Occultism and Parapsychology. London: Routledge & Kegan Paul, 1974.

Παραπομπή MLA

Cavendish, Richard. Encyclopedia of the Unexplained: Magic Occultism and Parapsychology. Routledge & Kegan Paul, 1974.