Lusatia = Lužice = Łužica = Luzhet︠s︡a = Lusace.
MLA
Lusatia = Lužice = Łužica = Luzhet︠s︡a = Lusace. [s.n], 1945. https://collections.library.yale.edu/catalog/15483007.
APA, 6th edition
Lusatia = Lužice = Łužica = Luzhet︠s︡a = Lusace. (1945). [Maps]. [s.n], https://collections.library.yale.edu/catalog/15483007.