MLA

Service, United States. Army Map. Formosa City Plans 1: 8,000 : Tansui / Prepared under the Direction of the Chief of Engineers by the Army Map Service (AM), U.S. Army. Army Map Service, 1945. https://collections.library.yale.edu/catalog/15511686.

APA, 6th edition

Service, U. S. A. M. (1945). Formosa city plans 1: 8,000 : Tansui / prepared under the direction of the Chief of Engineers by the Army Map Service (AM), U.S. Army. [Topographic maps]. Army Map Service, https://collections.library.yale.edu/catalog/15511686.