Williamson, R. A. (1992). Earth & sky: Visions of the cosmos in Native American folklore (1. ed.). University of New Mexico Press.
Citazione stile Chigago Style (17a edizione)Williamson, Ray A. Earth & Sky: Visions of the Cosmos in Native American Folklore. 1. ed. Albuquerque: University of New Mexico Press, 1992.
Citatione MLA (8a ed.)Williamson, Ray A. Earth & Sky: Visions of the Cosmos in Native American Folklore. 1. ed. University of New Mexico Press, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.