Austria-Hungary [cartographic material].
MLA
of New York, American Geographical Society. Austria-Hungary [Cartographic Material]. American Geographical Society, 0AD. https://collections.library.yale.edu/catalog/15238101.
APA, 6th edition
of New York, A. G. S. (0 C.E.). Austria-Hungary [cartographic material]. [Maps]. American Geographical Society, https://collections.library.yale.edu/catalog/15238101.