France, scale 1:100,000: St. Lo-Vire, sheet 6F. / published by War Office, 1942, 2nd edition 1943.
MLA
Section, Great Britain. War Office. General Staff. Geographical. France, Scale 1:100,000: St. Lo-Vire, Sheet 6F. / Published by War Office, 1942, 2nd Edition 1943. War Office, 1943. https://collections.library.yale.edu/catalog/15238335.
APA, 6th edition
Section, G. B. W. O. G. S. G. (1943). France, scale 1:100,000: St. Lo-Vire, sheet 6F. / published by War Office, 1942, 2nd edition 1943. [Maps]. War Office, https://collections.library.yale.edu/catalog/15238335.