Munger, M. C. (2003). Interest Groups. In B. Frey, C. Rowley, & F. Schneider (Eds.), Encyclopedia of Public Choice (Vol. 1, pp. 307–312). Boston: Kluwer Academic Press.

Munger, M. C. “Interest Groups.” In Encyclopedia of Public Choice, edited by B. Frey, C. Rowley, and F. Schneider, 1:307–12. Boston: Kluwer Academic Press, 2003.

Munger MC. Interest Groups. In: Frey B, Rowley C, Schneider F, editors. Encyclopedia of Public Choice. Boston: Kluwer Academic Press; 2003. p. 307–12.

Munger, M. C. “Interest Groups.” Encyclopedia of Public Choice, edited by B. Frey et al., vol. 1, Kluwer Academic Press, 2003, pp. 307–12.

Munger MC. Interest Groups. In: Frey B, Rowley C, Schneider F, editors. Encyclopedia of Public Choice. Boston: Kluwer Academic Press; 2003. p. 307–312.