Williamson, R. A. (1992). Earth & sky: Visions of the cosmos in Native American folklore (1. ed.). University of New Mexico Press.
Cita Chicago Style (17a ed.)Williamson, Ray A. Earth & Sky: Visions of the Cosmos in Native American Folklore. 1. ed. Albuquerque: University of New Mexico Press, 1992.
Cita MLA (8a ed.)Williamson, Ray A. Earth & Sky: Visions of the Cosmos in Native American Folklore. 1. ed. University of New Mexico Press, 1992.
Precaución: Estas citas no son 100% exactas.