Cita APA (7th ed.)

Janda, K., Berry, J. M., & Goldman, J. (2002). The challenge of democracy: Government in America (Seventh Edition.). Houghton Mifflin.

Cita Chicago (17th ed.)

Janda, Kenneth, Jeffrey M.,1948- Berry, i Jerry Goldman. The Challenge of Democracy: Government in America. Seventh Edition. Boston: Houghton Mifflin, 2002.

Cita MLA (9th ed.)

Janda, Kenneth, et al. The Challenge of Democracy: Government in America. Seventh Edition. Houghton Mifflin, 2002.