Cite

[Karte des Deutschen Reiche, Polen.]

MLA

[Karte Des Deutschen Reiche, Polen.]. s.n, 1936. https://collections.library.yale.edu/catalog/15238337.

APA, 6th edition

[Karte des Deutschen Reiche, Polen.]. (1936). [Maps]. s.n, https://collections.library.yale.edu/catalog/15238337.