Influence of planetary configurations upon the frequency of visible sun spots

Chicago citation style
Smithsonian Institution. Arthur, Fund, Sanford, Fernando. Influence of planetary configurations upon the frequency of visible sun spots. 1936. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_91660&repo=DPLA. (Accessed November 12, 2018.)
APA citation style
Smithsonian Institution. Arthur, Fund, Sanford, Fernando, (1936) Influence of planetary configurations upon the frequency of visible sun spots. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_91660&repo=DPLA
MLA citation style
Smithsonian Institution. Arthur, Fund, Sanford, Fernando. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_91660&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.