Cita APA (7th ed.)

(1970). Mass Media in a free society. University Pr.

Cita Chicago (17th ed.)

Mass Media in a Free Society. Kansas: University Pr, 1970.

Cita MLA (9th ed.)

Mass Media in a Free Society. University Pr, 1970.

Atenció: Aquestes cites poden no estar 100% correctes.