APA (7th ed.) Citation

Zeigler, H. (1964). Interest groups in american society. Prentice-Hall.

Chicago Style (17th ed.) Citation

Zeigler, Harmon. Interest Groups in American Society. Englewood Cliffs: Prentice-Hall, 1964.

MLA (9th ed.) Citation

Zeigler, Harmon. Interest Groups in American Society. Prentice-Hall, 1964.