Tracy, G. R., Friedl, A. E., & Trapp, H. E. (1979). Modern physical science. Holt.
芝加哥风格引文Tracy, George R., Alfred E. Friedl, 与 Harry E. Trapp. Modern Physical Science. New York: Holt, 1979.
MLA引文Tracy, George R., et al. Modern Physical Science. Holt, 1979.
警告：这些引文格式不一定是100％准确.