Nordenskiöld, E. (1979). The secret of the Peruvian quipus ([1st AMS ed.].). AMS Press.
Chicago Style (17th ed.) CitationNordenskiöld, Erland. The Secret of the Peruvian Quipus. [1st AMS ed.]. New York: AMS Press, 1979.
MLA (9th ed.) CitationNordenskiöld, Erland. The Secret of the Peruvian Quipus. [1st AMS ed.]. AMS Press, 1979.
Warning: These citations may not always be 100% accurate.