APA (7th ed.) Citation

COPI, I. M. (1968). Introduction to logic (3rd. ed.). Macmillan.

Chicago Style (17th ed.) Citation

COPI, Irving M. Introduction to Logic. 3rd. ed. London: Macmillan, 1968.

MLA (9th ed.) Citation

COPI, Irving M. Introduction to Logic. 3rd. ed. Macmillan, 1968.