APA (7th ed.) Citation

Copi, I. M., Cohen, C., & Rodych, V. (2019). Introduction to logic (Fifteenth edition.). Routledge.

Chicago Style (17th ed.) Citation

Copi, Irving M., Carl Cohen, and Victor Rodych. Introduction to Logic. Fifteenth edition. New York: Routledge, 2019.

MLA (9th ed.) Citation

Copi, Irving M., et al. Introduction to Logic. Fifteenth edition. Routledge, 2019.