Cita APA (7th ed.)

Siebert , F. S., Peterson, T., & Schramm, . W. (1984). Four Theories Of The Press: The authoritarian. University Illinois Press.

Cita Chicago (17th ed.)

Siebert , Fred S., Theodore Peterson, i Wilbur Schramm. Four Theories Of The Press: The Authoritarian. Chicago: University Illinois Press, 1984.

Cita MLA (9th ed.)

Siebert , Fred S., et al. Four Theories Of The Press: The Authoritarian. University Illinois Press, 1984.