Knopp, K. (1928). Theory and application of infinite series. Blackie and Son.
芝加哥风格引文Knopp, Konrad. Theory and Application of Infinite Series. London: Blackie and Son, 1928.
MLA引文Knopp, Konrad. Theory and Application of Infinite Series. Blackie and Son, 1928.
警告：这些引文格式不一定是100％准确.