Free, L. A., & Cantril Hadley. (1967). The political beliefs of Americans: A study of public opinion. Rutgers University Press.
Čikaški stil citiranja (17. izdanje)Free, Lloyd A., i Cantril Hadley. The Political Beliefs of Americans: A Study of Public Opinion. New Brunswick, N.J: Rutgers University Press, 1967.
MLA način citiranja (9. izdanje)Free, Lloyd A., i Cantril Hadley. The Political Beliefs of Americans: A Study of Public Opinion. Rutgers University Press, 1967.
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