APA (7th ed.) Citation

Siebert, F. S. (1956). Four theories of the press: The authoriatarian, 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, Frederick Seaton. Four Theories of the Press: The Authoriatarian, Libertarian, Social Responsibility, and Soviet Communist Concepts of What the Press Should Be and Do. Urbana: University of Illinois Press, 1956.

MLA (9th ed.) Citation

Siebert, Frederick Seaton. Four Theories of the Press: The Authoriatarian, Libertarian, Social Responsibility, and Soviet Communist Concepts of What the Press Should Be and Do. University of Illinois Press, 1956.