Cita APA (7a ed.)

Janda, K., Berry, J. M., & Goldman, J. (2000). The challenge of democracy: Government in America : 1999-2000 update (Sixth edition.). Houghton Mifflin.

Cita Chicago Style (17a ed.)

Janda, Kenneth, Jeffrey M. Berry, y Jerry Goldman. The Challenge of Democracy: Government in America : 1999-2000 Update. Sixth edition. Boston: Houghton Mifflin, 2000.

Cita MLA (9a ed.)

Janda, Kenneth, et al. The Challenge of Democracy: Government in America : 1999-2000 Update. Sixth edition. Houghton Mifflin, 2000.