Watts. (1996). UFO visitation: Preparing for the twenty-first century. Blandford.
Chicago Style (17th ed.) CitationWatts. UFO Visitation: Preparing for the Twenty-first Century. London: Blandford, 1996.
MLA (8th ed.) CitationWatts. UFO Visitation: Preparing for the Twenty-first Century. Blandford, 1996.
Warning: These citations may not always be 100% accurate.