MLA

Section, Great Britain. War Office. General Staff. Geographical. Méditerranée Orientale, 1:2,000,000. War Office, 1943. https://collections.library.yale.edu/catalog/15502051.

APA, 6th edition

Section, G. B. W. O. G. S. G. (1943). Méditerranée orientale, 1:2,000,000. [Topographic maps]. War Office, https://collections.library.yale.edu/catalog/15502051.