Katz, E., & Lazarsfeld, P. F. (1955). Personal influence: The part played by people in the flow of mass communications. The Free Press.
Chicago Style (17th ed.) CitationKatz, Elihu, and Paul Felix Lazarsfeld. Personal Influence: The Part Played by People in the Flow of Mass Communications. Glencoe, Illinois: The Free Press, 1955.
MLA (9th ed.) CitationKatz, Elihu, and Paul Felix Lazarsfeld. Personal Influence: The Part Played by People in the Flow of Mass Communications. The Free Press, 1955.
Warning: These citations may not always be 100% accurate.