Obsidian Projectile Points

Chicago citation style
Obsidian Projectile Points. 1934-Jan-23. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhanthropology_8113834&repo=DPLA. (Accessed November 19, 2018.)
APA citation style
(1934-Jan-23) Obsidian Projectile Points. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhanthropology_8113834&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmnhanthropology_8113834&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.