APA (7th ed.) Citation

Zeigler, L. H., & Peak, G. W. j. a. (1972). Interest groups in American society. Prentice-Hall.

Chicago Style (17th ed.) Citation

Zeigler, Luther Harmon, and G. Wayne joint auth Peak. Interest Groups in American Society. Englewood Cliffs, N. J: Prentice-Hall, 1972.

MLA (9th ed.) Citation

Zeigler, Luther Harmon, and G. Wayne joint auth Peak. Interest Groups in American Society. Prentice-Hall, 1972.