APA (7th ed.) Citation

Copi, I. M., & Gould, J. A. (1978). Contemporary philosophical logic. St. Martin's Press.

Chicago Style (17th ed.) Citation

Copi, Irving M., and James A. Gould. Contemporary Philosophical Logic. New York: St. Martin's Press, 1978.

MLA (9th ed.) Citation

Copi, Irving M., and James A. Gould. Contemporary Philosophical Logic. St. Martin's Press, 1978.