APA (7th ed.) Citation

Hopkins, B. (1981). Missing time: A documented study of UFO abductions. R. Marek Publishers.

Chicago Style (17th ed.) Citation

Hopkins, Budd. Missing Time: A Documented Study of UFO Abductions. New York, N.Y.: R. Marek Publishers, 1981.

MLA (9th ed.) Citation

Hopkins, Budd. Missing Time: A Documented Study of UFO Abductions. R. Marek Publishers, 1981.