Negretti & Zambra Spy Glass

Chicago citation style
Negretti & Zambra. Negretti & Zambra Spy Glass. ca 1860. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_1247808&repo=DPLA. (Accessed November 14, 2018.)
APA citation style
Negretti & Zambra, (ca 1860) Negretti & Zambra Spy Glass. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_1247808&repo=DPLA
MLA citation style
Negretti & Zambra. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_1247808&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.