Gruss, E. C. (1980). Cults and the occult (Rev. ed.). Presbyterian and Reformed Publ. Co.
Chicago Style (17th ed.) CitationGruss, Edmond C. Cults and the Occult. Rev. ed. Phillipsburg, N.J: Presbyterian and Reformed Publ. Co, 1980.
MLA (8th ed.) CitationGruss, Edmond C. Cults and the Occult. Rev. ed. Presbyterian and Reformed Publ. Co, 1980.
Warning: These citations may not always be 100% accurate.