Dunkerque [cartographic material] : plan of port & town / compiled and drawn by Inter-Service Topographical Dept. ; produced under the Superintendence of Vice-Admiral John Edgell, hydrographer.
MLA
Dept, Great Britain. Inter-service Topographical. Dunkerque [Cartographic Material] : Plan of Port & Town / Compiled and Drawn by Inter-Service Topographical Dept. ; Produced under the Superintendence of Vice-Admiral John Edgell, Hydrographer. Army Map Service, U.S. Army,, War Office ; 1943. https://collections.library.yale.edu/catalog/15484363.
APA, 6th edition
Dept, G. B. I.-service T. (1943). Dunkerque [cartographic material] : plan of port & town / compiled and drawn by Inter-Service Topographical Dept. ; produced under the Superintendence of Vice-Admiral John Edgell, hydrographer. [Maps]. Army Map Service, U.S. Army,, War Office ; https://collections.library.yale.edu/catalog/15484363.
