Rio Purús : South America 1:1,000,000 / compiled and drawn by the American Geographical Society of New York ; photo lithographed and printed by A. Hoen and Company, Baltimore.

Chicago citation style
American Geographical Society of New York; United States. Army Map Service. Rio Purús : South America 1:1,000,000 / compiled and drawn by the American Geographical Society of New York ; photo lithographed and printed by A. Hoen and Company, Baltimore.. 1929. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/5023. (Accessed March 29, 2024.)
APA citation style
American Geographical Society of New York; United States. Army Map Service, (1929) Rio Purús : South America 1:1,000,000 / compiled and drawn by the American Geographical Society of New York ; photo lithographed and printed by A. Hoen and Company, Baltimore.. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/5023
MLA citation style
American Geographical Society of New York; United States. Army Map Service. Retrieved from the Digital Public Library of America <http://collections.lib.uwm.edu/cdm/ref/collection/agdm/id/5023>.
Note: These citations are programmatically generated and may be incomplete.