APA (7th ed.) Citation

Unesco. (1963). A review of the natural resources of the African Continent. [publisher not identified].

Chicago Style (17th ed.) Citation

Unesco. A Review of the Natural Resources of the African Continent. [Paris]: [publisher not identified], 1963.

MLA (9th ed.) Citation

Unesco. A Review of the Natural Resources of the African Continent. [publisher not identified], 1963.