Παραπομπή σε μορφή APA (7η εκδ.)

Lenat, D. B., & Guha, R. V. (1989). Building large knowledge-based systems: Representation and inference in the Cyc project. Addison-Wesley Pub. Co..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lenat, Douglas B., και R. V. Guha. Building Large Knowledge-based Systems: Representation and Inference in the Cyc Project. Reading, Mass.: Addison-Wesley Pub. Co., 1989.

Παραπομπή σε μορφή MLA (8th εκδ.)

Lenat, Douglas B., και R. V. Guha. Building Large Knowledge-based Systems: Representation and Inference in the Cyc Project. Addison-Wesley Pub. Co., 1989.