Freeway bridge construction

Chicago citation style
Freeway bridge construction. 1957. Retrieved from the Digital Public Library of America, http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/22820. (Accessed December 17, 2018.)
APA citation style
(1957) Freeway bridge construction. Retrieved from the Digital Public Library of America, http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/22820
MLA citation style
Retrieved from the Digital Public Library of America <http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/22820>.
Note: These citations are programmatically generated and may be incomplete.