APA Style
Siebert, Fred S.. (1956).
Four Theories Of The Press .
Chicago:
University Of Illinois.
Chicago Style
Siebert, Fred S..
Four Theories Of The Press.
Chicago:
University Of Illinois,
1956.
Text.
MLA Style
Siebert, Fred S..
Four Theories Of The Press.
Chicago:
University Of Illinois,
1956.
Text.
Turabian Style
Siebert, Fred S..
Four Theories Of The Press.
Chicago:
University Of Illinois,
1956.
Print.