APA (7th ed.) Citation

(1975). Teachers study guide on the biology of human populations. The Unesco Press.

Chicago Style (17th ed.) Citation

Teachers Study Guide on the Biology of Human Populations. The Unesco Press, 1975.

MLA (8th ed.) Citation

Teachers Study Guide on the Biology of Human Populations. The Unesco Press, 1975.

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