Phototropic sensitivity in relation to wave length (with two plates)

Chicago citation style
Johnston, Earl Steinford. Phototropic sensitivity in relation to wave length (with two plates). 1934. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_91608&repo=DPLA. (Accessed November 21, 2018.)
APA citation style
Johnston, Earl Steinford, (1934) Phototropic sensitivity in relation to wave length (with two plates). Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_91608&repo=DPLA
MLA citation style
Johnston, Earl Steinford. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_91608&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.