APA (7th ed.) Citation

Unesco. (1975). Teacher's study guide on the biology of human populations: Africa. Unesco Press.

Chicago Style (17th ed.) Citation

Unesco. Teacher's Study Guide on the Biology of Human Populations: Africa. Paris: Unesco Press, 1975.

MLA (9th ed.) Citation

Unesco. Teacher's Study Guide on the Biology of Human Populations: Africa. Unesco Press, 1975.

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