APA (7th ed.) Citation

Copi, I. M., & Cohen, C. (2004). Essentials of logic. Pearson Prentice Hall.

Chicago Style (17th ed.) Citation

Copi, Irving M., and Carl Cohen. Essentials of Logic. Upper Saddle River, N.J: Pearson Prentice Hall, 2004.

MLA (9th ed.) Citation

Copi, Irving M., and Carl Cohen. Essentials of Logic. Pearson Prentice Hall, 2004.