APA (7th ed.) Citation

Berry, J. M., & Wilcox, C. (2007). The interest group society (4th ed.). Pearson Longman.

Chicago Style (17th ed.) Citation

Berry, Jeffrey M., and Clyde Wilcox. The Interest Group Society. 4th ed. New York: Pearson Longman, 2007.

MLA (9th ed.) Citation

Berry, Jeffrey M., and Clyde Wilcox. The Interest Group Society. 4th ed. Pearson Longman, 2007.