Cita APA (7a ed.)

Copi,Irving M Cohen, & Carl & Rodych,Victor. (2020). Introduction to logic (15.). Routledge.

Cita Chicago Style (17a ed.)

Copi,Irving M Cohen, y Carl & Rodych,Victor. Introduction to Logic. 15. New York: Routledge, 2020.

Cita MLA (9a ed.)

Copi,Irving M Cohen, y Carl & Rodych,Victor. Introduction to Logic. 15. Routledge, 2020.