APA (7th ed.) Citation

United States. Army Map Service. (1942). New Guinea 1: 500,000. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Army Map Service. New Guinea 1: 500,000. Washington: [publisher not identified], 1942.

MLA (9th ed.) Citation

United States. Army Map Service. New Guinea 1: 500,000. [publisher not identified], 1942.

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