The Smithsonian standard pyrheliometry

Chicago citation style
Abbot, Charles Greeley. The Smithsonian standard pyrheliometry. 1948. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_91828&repo=DPLA. (Accessed November 15, 2018.)
APA citation style
Abbot, Charles Greeley, (1948) The Smithsonian standard pyrheliometry. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_91828&repo=DPLA
MLA citation style
Abbot, Charles Greeley. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3ASILSRO_91828&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.