Plant growth in relation to wave-length balance

Chicago citation style
Johnston, Earl Steinford. Plant growth in relation to wave-length balance. 1938. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_91672&repo=DPLA. (Accessed November 19, 2018.)
APA citation style
Johnston, Earl Steinford, (1938) Plant growth in relation to wave-length balance. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_91672&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_91672&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.