The World on Mercator's projection / J. & C. Walker sculpt. Mercator's projection

Chicago citation style
J. & C. Walker (Firm) (Firm). The World on Mercator's projection / J. & C. Walker sculpt. Mercator's projection. 1843. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/1206. (Accessed October 19, 2020.)
APA citation style
J. & C. Walker (Firm) (Firm), (1843) The World on Mercator's projection / J. & C. Walker sculpt. Mercator's projection. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/1206
MLA citation style
J. & C. Walker (Firm) (Firm). Retrieved from the Digital Public Library of America <http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/1206>.
Note: These citations are programmatically generated and may be incomplete.