APA-referens (7:e uppl.)
Powell, J. W., Fowler, D. D., & Fowler, C. S. (1971). Anthropology of the Numa: John Wesley Powell's manuscripts on the Numic peoples of Western North America 1868-1880. Smithsonian Institution Press.
Chicago-referens (17:e uppl.)
Powell, John Wesley, Don D. Fowler, och Catherine S. Fowler. Anthropology of the Numa: John Wesley Powell's Manuscripts on the Numic Peoples of Western North America 1868-1880. Washington: Smithsonian Institution Press, 1971.
MLA-referens (9:e uppl.)
Powell, John Wesley, et al. Anthropology of the Numa: John Wesley Powell's Manuscripts on the Numic Peoples of Western North America 1868-1880. Smithsonian Institution Press, 1971.
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