John Smith, Helen Peto and Christine Peto in the greenhouse

Chicago citation style
John Smith, Helen Peto and Christine Peto in the greenhouse. ca. 1900. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3AAAADCD_item_7107&repo=DPLA. (Accessed December 11, 2018.)
APA citation style
(ca. 1900) John Smith, Helen Peto and Christine Peto in the greenhouse. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3AAAADCD_item_7107&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3AAAADCD_item_7107&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.