APA (7th ed.) Citation

(1981). Theoretical issues in information retrieval: Proceedings of the 4th Internat. Conference on Information Storage and Retrieval ; Oakland, Calif., May 31 - June 2, 1981. ACM.

Chicago Style (17th ed.) Citation

Theoretical Issues in Information Retrieval: Proceedings of the 4th Internat. Conference on Information Storage and Retrieval ; Oakland, Calif., May 31 - June 2, 1981. Baltimore, MD: ACM, 1981.

MLA (9th ed.) Citation

Theoretical Issues in Information Retrieval: Proceedings of the 4th Internat. Conference on Information Storage and Retrieval ; Oakland, Calif., May 31 - June 2, 1981. ACM, 1981.