Oscar Johnson portrait, probably taken in Hobart, ca. 1830

Chicago citation style
Oscar Johnson portrait, probably taken in Hobart, ca. 1830. ca. 1830. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmvhs/id/388. (Accessed September 21, 2018.)
APA citation style
(ca. 1830) Oscar Johnson portrait, probably taken in Hobart, ca. 1830. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmvhs/id/388
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmvhs/id/388>.
Note: These citations are programmatically generated and may be incomplete.