APA (7th ed.) Citation

United States Army. Army Map Service. (1942). Philippine Islands. Army Map Service, U.S. Army.

Chicago Style (17th ed.) Citation

United States Army. Army Map Service. Philippine Islands. Washington, D.C: Army Map Service, U.S. Army, 1942.

MLA (9th ed.) Citation

United States Army. Army Map Service. Philippine Islands. Army Map Service, U.S. Army, 1942.