APA (7th ed.) Citation

Katz, E., & Lazarsfeld, P. F. (2006). Personal influence: The part played by people in the flow of mass communications. Transaction Publishers.

Chicago Style (17th ed.) Citation

Katz, Elihu, and Paul Felix Lazarsfeld. Personal Influence: The Part Played by People in the Flow of Mass Communications. New Brunswick, N.J: Transaction Publishers, 2006.

MLA (9th ed.) Citation

Katz, Elihu, and Paul Felix Lazarsfeld. Personal Influence: The Part Played by People in the Flow of Mass Communications. Transaction Publishers, 2006.