APA (7th ed.) Citation

British Guiana. Geological Survey. (1955). Map of the coastal plain of British Guiana. Geological Survey of British Guiana.

Chicago Style (17th ed.) Citation

British Guiana. Geological Survey. Map of the Coastal Plain of British Guiana. [Place of publication not identified]: Geological Survey of British Guiana, 1955.

MLA (9th ed.) Citation

British Guiana. Geological Survey. Map of the Coastal Plain of British Guiana. Geological Survey of British Guiana, 1955.

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