APA (7th ed.) Citation

Silver, S. S., & Meredith, J. C. (1971). DISCUS interactive system users' manual. Institute of Library Research, University of California.

Chicago Style (17th ed.) Citation

Silver, Steven S., and Joseph C. Meredith. DISCUS Interactive System Users' Manual. [Berkeley]: Institute of Library Research, University of California, 1971.

MLA (8th ed.) Citation

Silver, Steven S., and Joseph C. Meredith. DISCUS Interactive System Users' Manual. Institute of Library Research, University of California, 1971.