Cite

Port of Hamburg and the secondary ports of Harburg-Wilhemsburg, Altona and Cuxhaven / R & A, OSS.

MLA

of Strategic Services. Research, United States. Office, and Analysis Branch. Port of Hamburg and the Secondary Ports of Harburg-Wilhemsburg, Altona and Cuxhaven / R & A, OSS. Reproduction Branch, OSS, 1944. https://collections.library.yale.edu/catalog/15476459.

APA, 6th edition

of Strategic Services. Research, U. S. O., & Branch, A. (1944). Port of Hamburg and the secondary ports of Harburg-Wilhemsburg, Altona and Cuxhaven / R & A, OSS. [Maps]. Reproduction Branch, OSS, https://collections.library.yale.edu/catalog/15476459.