Cite

[Karte des Deutschen Reiches 1:100,000, Ulm and vicinity]

MLA

[Karte Des Deutschen Reiches 1:100,000, Ulm and Vicinity]. s.n., 1945. https://collections.library.yale.edu/catalog/15238372.

APA, 6th edition

[Karte des Deutschen Reiches 1:100,000, Ulm and vicinity]. (1945). [Maps, Military maps]. s.n., https://collections.library.yale.edu/catalog/15238372.