Cita APA (7th ed.)

Copi, I. M. (1979). Symbolic logic (5th ed.). Macmillan ; Prentice Hall of India.

Cita Chicago (17th ed.)

Copi, Irving M. Symbolic Logic. 5th ed. New York : New Delhi: Macmillan ; Prentice Hall of India, 1979.

Cita MLA (8th ed.)

Copi, Irving M. Symbolic Logic. 5th ed. Macmillan ; Prentice Hall of India, 1979.