APA (7th ed.) Citation

McCracken, D. L. (1981). A production system version of the Hearsay-II speech understanding system. UMI Research Press.

Chicago Style (17th ed.) Citation

McCracken, Donald L. A Production System Version of the Hearsay-II Speech Understanding System. Ann Arbor, Mich.: UMI Research Press, 1981.

MLA (8th ed.) Citation

McCracken, Donald L. A Production System Version of the Hearsay-II Speech Understanding System. UMI Research Press, 1981.