APA引文

Liebknecht, W., & Untermann, E. (1901). Karl Marx: Biographical memoirs. Chicago: Charles H. Kerr & company.

Chicago Style (17th ed.) Citation

Liebknecht, Wilhelm, and Ernest Untermann. Karl Marx: Biographical Memoirs. Chicago: Charles H. Kerr & company, 1901.

MLA引文

Liebknecht, Wilhelm, and Ernest Untermann. Karl Marx: Biographical Memoirs. Chicago: Charles H. Kerr & company, 1901.

警告：這些引文格式不一定是100％准確.