APA (7th ed.) Citation

Lall, K., Narain, R., & British Guiana. Geological Survey. (1962). Geological Survey of British Guiana. Map of British Guiana.

Chicago Style (17th ed.) Citation

Lall, K., R. Narain, and British Guiana. Geological Survey. Geological Survey of British Guiana. Map of British Guiana. Georgetown, 1962.

MLA (8th ed.) Citation

Lall, K., et al. Geological Survey of British Guiana. Map of British Guiana. 1962.