Cita APA (7th ed.)

Copi, I. M., & Gould, J. A. 1. . . .. (1964). Readings on logic. Macmillan.

Cita Chicago (17th ed.)

Copi, Irving M., i James Adams 1922- Gould. Readings on Logic. New York: Macmillan, 1964.

Cita MLA (9th ed.)

Copi, Irving M., i James Adams 1922- Gould. Readings on Logic. Macmillan, 1964.