Railroad bridge at Nenana, ca. 1920

Chicago citation style
Thwaites, John E. (John Edward), 1863-1940. Railroad bridge at Nenana, ca. 1920. ca. 1920. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/thwaites/id/336. (Accessed August 18, 2018.)
APA citation style
Thwaites, John E. (John Edward), 1863-1940, (ca. 1920) Railroad bridge at Nenana, ca. 1920. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/thwaites/id/336
MLA citation style
Thwaites, John E. (John Edward), 1863-1940. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/thwaites/id/336>.
Note: These citations are programmatically generated and may be incomplete.