Cite

Linguistic map of the Austro-Hungarian Monarchy.

MLA

Linguistic Map of the Austro-Hungarian Monarchy. Istituto Geografico de Agostini, 191AD. https://collections.library.yale.edu/catalog/15238045.

APA, 6th edition

Linguistic map of the Austro-Hungarian Monarchy. (191 C.E.). [Maps]. Istituto Geografico de Agostini, https://collections.library.yale.edu/catalog/15238045.