Cita APA (7th ed.)

Copi, I. M. (1972). Readings on Logic (2nd ed.). Macmillan.

Cita Chicago (17th ed.)

Copi, Irving M. Readings on Logic. 2nd ed. New York: Macmillan, 1972.

Cita MLA (9th ed.)

Copi, Irving M. Readings on Logic. 2nd ed. Macmillan, 1972.