APA (7th ed.) Citation

United States. Army. Engineer Topographic Battalion, 6., & United States. Army Map Service. (1950). Philippine Islands 1: 250,000 (AMS 2.). Army Map Service].

Chicago Style (17th ed.) Citation

United States. Army. Engineer Topographic Battalion, 650th, and United States. Army Map Service. Philippine Islands 1: 250,000. AMS 2. [Washington, D.C.: Army Map Service], 1950.

MLA (8th ed.) Citation

United States. Army. Engineer Topographic Battalion, 650th, and United States. Army Map Service. Philippine Islands 1: 250,000. AMS 2. Army Map Service], 1950.

Warning: These citations may not always be 100% accurate.