Citazione Stile APA (7a Edizione)
Peterson, T., & Schramm, W. (1956). 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.
Citazione stile Chigago Style (17a edizione)
Peterson, Theodore, e 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, 1956.
Citatione MLA (9a ed.)
Peterson, Theodore, e Wilbur Schramm. 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, 1956.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.