Chipped Stone Knife - Obsidian

Chicago citation style
Chipped Stone Knife - Obsidian. 1926-Oct-16. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhanthropology_8089817&repo=DPLA. (Accessed November 18, 2018.)
APA citation style
(1926-Oct-16) Chipped Stone Knife - Obsidian. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhanthropology_8089817&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhanthropology_8089817&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.