(1977). The philosophy of parapsychology: Proceedings of an international conference, held in Copenhagen, Denmark, August 25 - 27, 1976. Parapsychology Foundation.
Chicago-Zitierstil (17. Ausg.)The Philosophy of Parapsychology: Proceedings of an International Conference, Held in Copenhagen, Denmark, August 25 - 27, 1976. New York, N.Y: Parapsychology Foundation, 1977.
MLA-Zitierstil (9. Ausg.)The Philosophy of Parapsychology: Proceedings of an International Conference, Held in Copenhagen, Denmark, August 25 - 27, 1976. Parapsychology Foundation, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.