Boy on rock ledge with mountain valley in background, circa 1940-1941

Chicago citation style
Unidentified. Boy on rock ledge with mountain valley in background, circa 1940-1941. circa 1940-1941. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/social/id/7570. (Accessed June 23, 2018.)
APA citation style
Unidentified, (circa 1940-1941) Boy on rock ledge with mountain valley in background, circa 1940-1941. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/social/id/7570
MLA citation style
Unidentified. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/social/id/7570>.
Note: These citations are programmatically generated and may be incomplete.