[4 Ethnographic Maps of Central Europe] / Dess. par A.D. Alanasiu.
MLA
[4 Ethnographic Maps of Central Europe] / Dess. Par A.D. Alanasiu. s.n.], 1919. https://collections.library.yale.edu/catalog/15238150.
APA, 6th edition
[4 Ethnographic Maps of Central Europe] / Dess. par A.D. Alanasiu. (1919). [Maps]. s.n.], https://collections.library.yale.edu/catalog/15238150.