Beaulieu Lake / [published and distributed by the] Clarkson Map Co.

Chicago citation style
Beaulieu Lake / [published and distributed by the] Clarkson Map Co.. 19??. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/7722. (Accessed December 7, 2019.)
APA citation style
(19??) Beaulieu Lake / [published and distributed by the] Clarkson Map Co.. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/7722
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/7722>.
Note: These citations are programmatically generated and may be incomplete.