Cite

German East Africa. Moa. Sheet D [cartographic material].

MLA

Section, Great Britain. War Office. General Staff. Geographical. German East Africa. Moa. Sheet D [Cartographic Material]. War Office, 0AD. https://collections.library.yale.edu/catalog/15532750.

APA, 6th edition

Section, G. B. W. O. G. S. G. (0 C.E.). German East Africa. Moa. Sheet D [cartographic material]. [Maps]. War Office, https://collections.library.yale.edu/catalog/15532750.