Schettler, C. (1960). Public opinion in American society. Harper & Brothers.
Cita Chicago Style (17a ed.)Schettler, Clarence. Public Opinion in American Society. New York: Harper & Brothers, 1960.
Cita MLA (9a ed.)Schettler, Clarence. Public Opinion in American Society. Harper & Brothers, 1960.
Precaución: Estas citas no son 100% exactas.