Cita APA (7th ed.)

Blaich, T. P., & Baumgartner, J. C. (1953). The challenge of democracy. McGraw-Hill.

Cita Chicago (17th ed.)

Blaich, Theodore Paul, i Joseph Cornelius Baumgartner. The Challenge of Democracy. New York: McGraw-Hill, 1953.

Cita MLA (9th ed.)

Blaich, Theodore Paul, i Joseph Cornelius Baumgartner. The Challenge of Democracy. McGraw-Hill, 1953.