Cita APA (7a ed.)

SIEBERT, F. S. (1963). Four Theories Of The Press Fred S. Siebert, Theodore Peterson And Wilbur Schramm. University of Illinois Press.

Cita Chicago Style (17a ed.)

SIEBERT, Fred S. Four Theories Of The Press Fred S. Siebert, Theodore Peterson And Wilbur Schramm. University of Illinois Press, 1963.

Cita MLA (8a ed.)

SIEBERT, Fred S. Four Theories Of The Press Fred S. Siebert, Theodore Peterson And Wilbur Schramm. University of Illinois Press, 1963.