Protropin

Chicago citation style
Genentech Inc. Protropin. ca 1987. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_1000966&repo=DPLA. (Accessed November 18, 2018.)
APA citation style
Genentech Inc, (ca 1987) Protropin. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_1000966&repo=DPLA
MLA citation style
Genentech Inc. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_1000966&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.