United States. Army Map Service. (1950). British Guiana 1: 100,000. The Service.
Chicago Style (17th ed.) CitationUnited States. Army Map Service. British Guiana 1: 100,000. Washington: The Service, 1950.
MLA (8th ed.) CitationUnited States. Army Map Service. British Guiana 1: 100,000. The Service, 1950.
Warning: These citations may not always be 100% accurate.