Laborers from the Berlin Iron Bridge Company at work on building the roof of the Forbes Library

Chicago citation style
Laborers from the Berlin Iron Bridge Company at work on building the roof of the Forbes Library. 1893. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/bk129319s. (Accessed August 16, 2018.)
APA citation style
(1893) Laborers from the Berlin Iron Bridge Company at work on building the roof of the Forbes Library. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/bk129319s
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/bk129319s>.
Note: These citations are programmatically generated and may be incomplete.