APA Citation

Copi, I. M., & Cohen, C. (2002). Introduction to logic (9 Ed.). New Delhi: PHI Learning.

Chicago Style Citation

Copi, Irving M., and Carl Cohen. Introduction to Logic. 9 Ed. New Delhi: PHI Learning, 2002.

MLA Citation

Copi, Irving M., and Carl Cohen. Introduction to Logic. 9 Ed. New Delhi: PHI Learning, 2002.

Warning: These citations may not always be 100% accurate.