APA (7th ed.) Citation

Copi, I. M., & Cohen, C. (2009). Introduction to logic (13. ed.). Pearson/Prentice Hall.

Chicago Style (17th ed.) Citation

Copi, Irving M., and Carl Cohen. Introduction to Logic. 13. ed. Upper Saddle River, NJ: Pearson/Prentice Hall, 2009.

MLA (9th ed.) Citation

Copi, Irving M., and Carl Cohen. Introduction to Logic. 13. ed. Pearson/Prentice Hall, 2009.