Cite

Ethnographical Map of Central & South Eastern Europe.

MLA

Ethnographical Map of Central & South Eastern Europe. Drawn and printed at the War Office, 1916. https://collections.library.yale.edu/catalog/15826771.

APA, 6th edition

Ethnographical Map of Central & South Eastern Europe. (1916). [Maps]. Drawn and printed at the War Office, https://collections.library.yale.edu/catalog/15826771.