APA (7e ed.) Bronvermelding

United States. Army. Army Map Service. Polillo NE. Army Map Service, U.S. Army, 1944.

Chicago (17e ed.) Bronvermelding

United States. Army. Army Map Service. Polillo NE. Washington, D.C: Army Map Service, U.S. Army, 1944.

MLA (9e ed.) Bronvermelding

United States. Army. Army Map Service. Polillo NE. Army Map Service, U.S. Army, 1944.

Let op: Deze citaties zijn niet altijd 100% accuraat.