Alexander Valley Bridge

Chicago citation style
Alexander Valley Bridge. 1906. Retrieved from the Digital Public Library of America, http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/1900. (Accessed December 19, 2018.)
APA citation style
(1906) Alexander Valley Bridge. Retrieved from the Digital Public Library of America, http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/1900
MLA citation style
Retrieved from the Digital Public Library of America <http://heritage.sonomalibrary.org/cdm/ref/collection/p15763coll2/id/1900>.
Note: These citations are programmatically generated and may be incomplete.