Poland and Lithuania : a rough sketch of distribution of nationalities.
MLA
Poland and Lithuania : a Rough Sketch of Distribution of Nationalities. s.n., 191AD. https://collections.library.yale.edu/catalog/15730219.
APA, 6th edition
Poland and Lithuania : a rough sketch of distribution of nationalities. (191 C.E.). [Maps]. s.n., https://collections.library.yale.edu/catalog/15730219.