Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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