APA (7th ed.) Citation

Christian Exorcism Study Group & Perry, M. (1987). Deliverance: Psychic disturbances and occult involvement (1. publ.). SPCK.

Chicago Style (17th ed.) Citation

Christian Exorcism Study Group and Michael Perry. Deliverance: Psychic Disturbances and Occult Involvement. 1. publ. London: SPCK, 1987.

MLA (8th ed.) Citation

Christian Exorcism Study Group and Michael Perry. Deliverance: Psychic Disturbances and Occult Involvement. 1. publ. SPCK, 1987.