APA (7th ed.) Citation
Copi, I. M., & Cohen, C. (2002). Introduction to logic (11th ed.). Prentice Hall.
Chicago Style (17th ed.) Citation
Copi, Irving M., and Carl Cohen. Introduction to Logic. 11th ed. Upper Saddle River, N.J. : New Delhi: Prentice Hall, 2002.
MLA (9th ed.) Citation
Copi, Irving M., and Carl Cohen. Introduction to Logic. 11th ed. Prentice Hall, 2002.
Warning: These citations may not always be 100% accurate.