APA (7th ed.) Citation

Copi, I. M., & Cohen, C. (2004). Introduction to logic (11th ed.). Prentice-Hall of India.

Chicago Style (17th ed.) Citation

Copi, Irving M., and Carl Cohen. Introduction to Logic. 11th ed. New Delhi: Prentice-Hall of India, 2004.

MLA (9th ed.) Citation

Copi, Irving M., and Carl Cohen. Introduction to Logic. 11th ed. Prentice-Hall of India, 2004.