United States. Army Map Service. (1957). Strategic planning maps 1:5,000,000: Western Hemisphere. The Service.
Chicago Style (17th ed.) CitationUnited States. Army Map Service. Strategic Planning Maps 1:5,000,000: Western Hemisphere. Washington: The Service, 1957.
MLA (8th ed.) CitationUnited States. Army Map Service. Strategic Planning Maps 1:5,000,000: Western Hemisphere. The Service, 1957.
Warning: These citations may not always be 100% accurate.