APA (7th ed.) Citation

Childs, H. L. (1940). An introduction to public opinion. Wiley & Sons.

Chicago Style (17th ed.) Citation

Childs, Harwood L. An Introduction to Public Opinion. New York: Wiley & Sons, 1940.

MLA (9th ed.) Citation

Childs, Harwood L. An Introduction to Public Opinion. Wiley & Sons, 1940.

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