Hat pin

Chicago citation style
Hat pin. 20th century. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Achndm_1997-130-7&repo=DPLA. (Accessed December 10, 2018.)
APA citation style
(20th century) Hat pin. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Achndm_1997-130-7&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Achndm_1997-130-7&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.