Colton's new map of Long Island : eastern section / G.W. & C.B. Colton & Co.

Chicago citation style
G.W. & C.B. Colton & Co. Colton's new map of Long Island : eastern section / G.W. & C.B. Colton & Co.. 1873. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/2689. (Accessed December 15, 2019.)
APA citation style
G.W. & C.B. Colton & Co, (1873) Colton's new map of Long Island : eastern section / G.W. & C.B. Colton & Co.. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/2689
MLA citation style
G.W. & C.B. Colton & Co. Retrieved from the Digital Public Library of America <http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/2689>.
Note: These citations are programmatically generated and may be incomplete.