Ullman, M., Krippner, S., Vaughan, A., & Murphy, G. (1974). Dream telepathy: Experiments in nocturnal ESP. Penguin Books Inc.
Cita Chicago Style (17a ed.)Ullman, Montague, Stanley Krippner, Alan Vaughan, y Gardner Murphy. Dream Telepathy: Experiments in Nocturnal ESP. Baltimore, Maryland: Penguin Books Inc, 1974.
Cita MLA (9a ed.)Ullman, Montague, et al. Dream Telepathy: Experiments in Nocturnal ESP. Penguin Books Inc, 1974.
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