Cite

Sicily 1:5,200. Sciacca / compiled and drawn by Inter-Service Topographical Dept [cartographic material].

MLA

Dept, Great Britain. Inter-service Topographical. Sicily 1:5,200. Sciacca / Compiled and Drawn by Inter-Service Topographical Dept [Cartographic Material]. Army Map Service, U.S. Army, 1943. https://collections.library.yale.edu/catalog/15497756.

APA, 6th edition

Dept, G. B. I.-service T. (1943). Sicily 1:5,200. Sciacca / compiled and drawn by Inter-Service Topographical Dept [cartographic material]. [Maps]. Army Map Service, U.S. Army, https://collections.library.yale.edu/catalog/15497756.