The Leardo map of the world, 1452 or 1453

Chicago citation style
Leardo, Giovanni, fl. 1440. The Leardo map of the world, 1452 or 1453. 1452; 1453. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/538. (Accessed September 18, 2020.)
APA citation style
Leardo, Giovanni, fl. 1440, (1452; 1453) The Leardo map of the world, 1452 or 1453. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/538
MLA citation style
Leardo, Giovanni, fl. 1440. Retrieved from the Digital Public Library of America <http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/538>.
Note: These citations are programmatically generated and may be incomplete.