Rand McNally & Co's map of dual subway system / copyright 1914 by Rand McNally & Co.

Chicago citation style
Rand McNally & Co's map of dual subway system / copyright 1914 by Rand McNally & Co.. 1914. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/11181. (Accessed January 25, 2020.)
APA citation style
(1914) Rand McNally & Co's map of dual subway system / copyright 1914 by Rand McNally & Co.. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/11181
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/11181>.
Note: These citations are programmatically generated and may be incomplete.