Lenat, D. B., & Guha, R. V. (1989). Building large knowledge-based systems: Representation and inference in the Cyc project. Addison-Wesley Pub. Co..
芝加哥风格引文Lenat, Douglas B., 与 R. V. Guha. Building Large Knowledge-based Systems: Representation and Inference in the Cyc Project. Reading, Mass.: Addison-Wesley Pub. Co., 1989.
MLA引文Lenat, Douglas B., 与 R. V. Guha. Building Large Knowledge-based Systems: Representation and Inference in the Cyc Project. Addison-Wesley Pub. Co., 1989.
警告：这些引文格式不一定是100％准确.