Citazione Stile APA (7a Edizione)

Copi, I. M. (1986). Introduction to logic: Introduction to logic (7th ed.). Macmillan.

Citazione stile Chigago Style (17a edizione)

Copi, Irving M. Introduction to Logic: Introduction to Logic. 7th ed. New York: Macmillan, 1986.

Citatione MLA (9a ed.)

Copi, Irving M. Introduction to Logic: Introduction to Logic. 7th ed. Macmillan, 1986.