Map of the Chaco Boreal [cartographic material] / compiled by the American Geographical Society of New York.
MLA
of New York, American Geographical Society. Map of the Chaco Boreal [Cartographic Material] / Compiled by the American Geographical Society of New York. American Geographical Society of New York, 1929. https://collections.library.yale.edu/catalog/15821130.
APA, 6th edition
of New York, A. G. S. (1929). Map of the Chaco Boreal [cartographic material] / compiled by the American Geographical Society of New York. [Maps]. American Geographical Society of New York, https://collections.library.yale.edu/catalog/15821130.
