APA (7th ed.) Citation

Blaich, T. P., & Baumgartner, J. C. (1950). The challenge of democracy (Rev. ed.). Harper.

Chicago Style (17th ed.) Citation

Blaich, Theodore Paul, and Joseph Cornelius Baumgartner. The Challenge of Democracy. Rev. ed. New York: Harper, 1950.

MLA (9th ed.) Citation

Blaich, Theodore Paul, and Joseph Cornelius Baumgartner. The Challenge of Democracy. Rev. ed. Harper, 1950.