APA (7th ed.) Citation

Copi, Irving M, & Jackson, H. (1996). Informal Logic: Possible Worlds and Everyday Inferences (3rd ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Copi, Irving M, and Howard Jackson. Informal Logic: Possible Worlds and Everyday Inferences. 3rd ed. Upper Saddle River, NJ: Prentice Hall, 1996.

MLA (9th ed.) Citation

Copi, et al. Informal Logic: Possible Worlds and Everyday Inferences. 3rd ed. Prentice Hall, 1996.