SIEBERT, F. S. (1973). Four theories of The Press. Universdity of Illinois Press.
Chicago Style (17th ed.) CitationSIEBERT, Fred S. Four Theories of The Press. Universdity of Illinois Press, 1973.
MLA (8th ed.) CitationSIEBERT, Fred S. Four Theories of The Press. Universdity of Illinois Press, 1973.
Warning: These citations may not always be 100% accurate.