Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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