APA način citiranja (7. izdanje)

Copi, I. M., & Cohen, C. (2019). Introduction to Logic (15th.). Routledge.

Čikaški stil citiranja (17. izdanje)

Copi, Irving M., i Carl Cohen. Introduction to Logic. 15th. New York: Routledge, 2019.

MLA način citiranja (9. izdanje)

Copi, Irving M., i Carl Cohen. Introduction to Logic. 15th. Routledge, 2019.