APA (7th ed.) Citation

Spradlin, W. W., & Porterfield, P. B. (1984). The search for certainty. Springer-Verlag.

Chicago Style (17th ed.) Citation

Spradlin, Wilford W., and Patricia B. Porterfield. The Search for Certainty. New York: Springer-Verlag, 1984.

MLA (9th ed.) Citation

Spradlin, Wilford W., and Patricia B. Porterfield. The Search for Certainty. Springer-Verlag, 1984.