APA Style

Katz, Elihu, Lazarsfeld, Paul F.. (1964). Personal Influence : the part played by people in flow of mass communications . London: The Free Press.

Chicago Style

Katz, Elihu, Lazarsfeld, Paul F.. Personal Influence : the part played by people in flow of mass communications. London: The Free Press, 1964. Text.

MLA Style

Katz, Elihu, Lazarsfeld, Paul F.. Personal Influence : the part played by people in flow of mass communications. London: The Free Press, 1964. Text.

Turabian Style

Katz, Elihu, Lazarsfeld, Paul F.. Personal Influence : the part played by people in flow of mass communications. London: The Free Press, 1964. Print.