New Broad Street Bridge, Bethlehem, Pa.

Chicago citation style
New Broad Street Bridge, Bethlehem, Pa.. 191?. Retrieved from the Digital Public Library of America, http://cdm.lib.lehigh.edu/cdm/ref/collection/postal/id/4090. (Accessed December 10, 2018.)
APA citation style
(191?) New Broad Street Bridge, Bethlehem, Pa.. Retrieved from the Digital Public Library of America, http://cdm.lib.lehigh.edu/cdm/ref/collection/postal/id/4090
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm.lib.lehigh.edu/cdm/ref/collection/postal/id/4090>.
Note: These citations are programmatically generated and may be incomplete.