Obsidian Blade Or Drill

Chicago citation style
Obsidian Blade Or Drill. 1934-Nov-30. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhanthropology_8124126&repo=DPLA. (Accessed November 16, 2018.)
APA citation style
(1934-Nov-30) Obsidian Blade Or Drill. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhanthropology_8124126&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhanthropology_8124126&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.