John Ringling

Chicago citation style
Joseph Margulies, 1896 - 1984. John Ringling. c. 1930. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_NPG.88.TC169&repo=DPLA. (Accessed December 19, 2018.)
APA citation style
Joseph Margulies, 1896 - 1984, (c. 1930) John Ringling. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_NPG.88.TC169&repo=DPLA
MLA citation style
Joseph Margulies, 1896 - 1984. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anpg_NPG.88.TC169&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.