Sievert, M., & Boyce, B. R. (1985). The Evaluation of a Drill and Practice Program for Online Retrieval.
Chicago Style (17th ed.) CitationSievert, Maryellen, and Bert R. Boyce. The Evaluation of a Drill and Practice Program for Online Retrieval. 1985.
MLA (9th ed.) CitationSievert, Maryellen, and Bert R. Boyce. The Evaluation of a Drill and Practice Program for Online Retrieval. 1985.
Warning: These citations may not always be 100% accurate.