APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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