Here is a picture of what is called "salt farming" from Popular electricity magazine in plain English

Chicago citation style
Here is a picture of what is called "salt farming" from Popular electricity magazine in plain English. 1912-1913. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Asilgoi_68333&repo=DPLA. (Accessed October 23, 2019.)
APA citation style
(1912-1913) Here is a picture of what is called "salt farming" from Popular electricity magazine in plain English. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Asilgoi_68333&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Asilgoi_68333&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.