APA (7th ed.) Citation

Copi, I. M. (1969). Introduction to logic (3. ed., 4. print.). Macmillan.

Chicago Style (17th ed.) Citation

Copi, Irving M. Introduction to Logic. 3. ed., 4. print. London: Macmillan, 1969.

MLA (9th ed.) Citation

Copi, Irving M. Introduction to Logic. 3. ed., 4. print. Macmillan, 1969.