APA (7th ed.) Citation

Silver, S. S., & Meredith, J. C. (1971). DISCUS Interactive System Users' Manual. Final Report.

Chicago Style (17th ed.) Citation

Silver, Steven S., and Joseph C. Meredith. DISCUS Interactive System Users' Manual. Final Report. 1971.

MLA (9th ed.) Citation

Silver, Steven S., and Joseph C. Meredith. DISCUS Interactive System Users' Manual. Final Report. 1971.

Warning: These citations may not always be 100% accurate.