Jyotsna Bharti. (2018). Karl Marx A Biography (2018.). Spider Books.
芝加哥风格引文Jyotsna Bharti. Karl Marx A Biography. 2018. Spider Books, 2018.
MLA引文Jyotsna Bharti. Karl Marx A Biography. 2018. Spider Books, 2018.
警告：这些引文格式不一定是100％准确.
APA引文