Man, probably Mr. Clark, posing within the tall stalks of rhubarb on his farm, Skagway, ca. 1914

Chicago citation style
Curtis, Asahel, 1874-1941. Man, probably Mr. Clark, posing within the tall stalks of rhubarb on his farm, Skagway, ca. 1914. ca. 1914. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/curtis/id/1901. (Accessed September 18, 2018.)
APA citation style
Curtis, Asahel, 1874-1941, (ca. 1914) Man, probably Mr. Clark, posing within the tall stalks of rhubarb on his farm, Skagway, ca. 1914. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/curtis/id/1901
MLA citation style
Curtis, Asahel, 1874-1941. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/curtis/id/1901>.
Note: These citations are programmatically generated and may be incomplete.