Bancroft's official guide map of city and county of San Francisco: compiled from official maps in Surveyor's Office

Chicago citation style
A.L. Bancroft & Company. Bancroft's official guide map of city and county of San Francisco: compiled from official maps in Surveyor's Office. 1873. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/4m90fc43m. (Accessed July 20, 2018.)
APA citation style
A.L. Bancroft & Company, (1873) Bancroft's official guide map of city and county of San Francisco: compiled from official maps in Surveyor's Office. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/4m90fc43m
MLA citation style
A.L. Bancroft & Company. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/4m90fc43m>.
Note: These citations are programmatically generated and may be incomplete.