APA引文

Ketchum, R. What is communism? E.P Dutton & Co. Inc.

Chicago Style (17th ed.) Citation

Ketchum, Richard. What Is Communism? New York: E.P Dutton & Co. Inc.

MLA引文

Ketchum, Richard. What Is Communism? E.P Dutton & Co. Inc.

警告：這些引文格式不一定是100％准確.