Citação norma APA
Katz, E., & Lazarsfeld, P. F. (1955). Personal influence: The part played by people in the flow of mass communications. The Free Press.
Citação norma Chicago
Katz, Elihu, and Paul F. Lazarsfeld. Personal Influence: The Part Played by People in the Flow of Mass Communications. New York: The Free Press, 1955.
Citação norma MLA
Katz, Elihu, and Paul F. Lazarsfeld. Personal Influence: The Part Played by People in the Flow of Mass Communications. The Free Press, 1955.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.