APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.