APA (7th ed.) Citation

Markel, L. (1972). What you don't know can hurt you: A study of public opinion and public emotion. Public Affairs Press.

Chicago Style (17th ed.) Citation

Markel, Lester. What You Don't Know Can Hurt You: A Study of Public Opinion and Public Emotion. Washington: Public Affairs Press, 1972.

MLA (9th ed.) Citation

Markel, Lester. What You Don't Know Can Hurt You: A Study of Public Opinion and Public Emotion. Public Affairs Press, 1972.