APA (7th ed.) Citation

Shepard, L. (1987). Occultism update: Supplement to the second edition of Encyclopedia of occultism & parapsychology. Gale Research.

Chicago Style (17th ed.) Citation

Shepard, Leslie. Occultism Update: Supplement to the Second Edition of Encyclopedia of Occultism & Parapsychology. Detroit: Gale Research, 1987.

MLA (9th ed.) Citation

Shepard, Leslie. Occultism Update: Supplement to the Second Edition of Encyclopedia of Occultism & Parapsychology. Gale Research, 1987.