APA (7th ed.) Citation

Malawi. Geological Survey Department, Bloomfield, K., & Mason, T. P. R. (1966). Geological map of Malawi, 1966. [Geological Survey of Malawi].

Chicago Style (17th ed.) Citation

Malawi. Geological Survey Department, K. Bloomfield, and T. P. R. Mason. Geological Map of Malawi, 1966. [Zomba, Malawi?]: [Geological Survey of Malawi], 1966.

MLA (9th ed.) Citation

Malawi. Geological Survey Department, et al. Geological Map of Malawi, 1966. [Geological Survey of Malawi], 1966.