Benninghofen, B., Richter, M. M., & Kemmerich, S. (1987). Systems of reductions. Springer-Verlag.
芝加哥风格引文Benninghofen, B., Michael M. Richter, 与 S. Kemmerich. Systems of Reductions. Berlin ; New York: Springer-Verlag, 1987.
MLA引文Benninghofen, B., et al. Systems of Reductions. Springer-Verlag, 1987.
警告：这些引文格式不一定是100％准确.