APA (7th ed.) Citation

Smith, T. V. (1956). Philosophers speak for themselves ([2d ed.). University of Chicago Press.

Chicago Style (17th ed.) Citation

Smith, Thomas Vernor. Philosophers Speak for Themselves. [2d ed. Chicago]: University of Chicago Press, 1956.

MLA (9th ed.) Citation

Smith, Thomas Vernor. Philosophers Speak for Themselves. [2d ed. University of Chicago Press, 1956.