Gaya APA

Lewis, I, M, , , , ]. (1971). Ecstatic religion, an anthropological study of spirit possession and shamanism. . [Harmondsworth]: Penguin.

Gaya MLA

Lewis, Ioan, M.[1930-, , , , ].. "Ecstatic religion, an anthropological study of spirit possession and shamanism. ". [Harmondsworth]: Penguin, 1971. Buku.