Cite

"Greater Germany" inland waterways

MLA

of Strategic Services, United States. Office. "Greater Germany" Inland Waterways. Lithographed in the Reproduction Branch, OSS, 1943. https://collections.library.yale.edu/catalog/15479668.

APA, 6th edition

of Strategic Services, U. S. O. (1943). "Greater Germany" inland waterways [Maps]. Lithographed in the Reproduction Branch, OSS. https://collections.library.yale.edu/catalog/15479668.