South America 1:1,000,000 Buenos Aires - Montevideo S.I. 21 / compiled and drawn by the American Geographical Society of New York : photolithographed and printed by A. Hoen and Company ; published under the patronage of Roland L. Redmond.

Chicago citation style
American Geographical Society of New York. South America 1:1,000,000 Buenos Aires - Montevideo S.I. 21 / compiled and drawn by the American Geographical Society of New York : photolithographed and printed by A. Hoen and Company ; published under the patronage of Roland L. Redmond.. 1940. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/1496. (Accessed February 21, 2020.)
APA citation style
American Geographical Society of New York, (1940) South America 1:1,000,000 Buenos Aires - Montevideo S.I. 21 / compiled and drawn by the American Geographical Society of New York : photolithographed and printed by A. Hoen and Company ; published under the patronage of Roland L. Redmond.. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/1496
MLA citation style
American Geographical Society of New York. Retrieved from the Digital Public Library of America <http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/1496>.
Note: These citations are programmatically generated and may be incomplete.