Lewis, I. M. (1971). Ecstatic religion: An anthropological study of spirit possession and shamanism. Penguin Books Ltd.
Cita Chicago (17th ed.)Lewis, I. M. Ecstatic Religion: An Anthropological Study of Spirit Possession and Shamanism. Harmondsworth, Middlesex, England: Penguin Books Ltd, 1971.
Cita MLA (9th ed.)Lewis, I. M. Ecstatic Religion: An Anthropological Study of Spirit Possession and Shamanism. Penguin Books Ltd, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.