APA (7th ed.) Citation

Siebert, F. S., Peterson, T., & Schramm, W. (1963). Four theories of the press: The authoritarian, libertarian, social responsibility and soviet communist concepts of what the press should be and do. University of Illinois Press.

Chicago Style (17th ed.) Citation

Siebert, Fred S., Theodore Peterson, and Wilbur Schramm. Four Theories of the Press: The Authoritarian, Libertarian, Social Responsibility and Soviet Communist Concepts of What the Press Should Be and Do. Urbana: University of Illinois Press, 1963.

MLA (8th ed.) Citation

Siebert, Fred S., et al. Four Theories of the Press: The Authoritarian, Libertarian, Social Responsibility and Soviet Communist Concepts of What the Press Should Be and Do. University of Illinois Press, 1963.