Men working on umbilical cord

Chicago citation style
Robert T. McCall. Men working on umbilical cord. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anasm_A19760596000&repo=DPLA. (Accessed September 23, 2018.)
APA citation style
Robert T. McCall, Men working on umbilical cord. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anasm_A19760596000&repo=DPLA
MLA citation style
Robert T. McCall. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anasm_A19760596000&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.