Stellhorn, W. H. (1974). An experimental information retrieval system. Dept. of Computer Science, University of Illinois at Urbana-Champaign.
芝加哥风格引文Stellhorn, William Howard. An Experimental Information Retrieval System. Urbana: Dept. of Computer Science, University of Illinois at Urbana-Champaign, 1974.
MLA引文Stellhorn, William Howard. An Experimental Information Retrieval System. Dept. of Computer Science, University of Illinois at Urbana-Champaign, 1974.
警告：这些引文格式不一定是100％准确.