APA (7th ed.) Citation

International Conference on Research and Development in Information Retrieval Brüssel. (1989). Proceedings of the 13th International Conference on Research and Development in Information Retrieval: Brussels - Belgium ; 5 - 7 September 1990. ACM.

Chicago Style (17th ed.) Citation

International Conference on Research and Development in Information Retrieval Brüssel. Proceedings of the 13th International Conference on Research and Development in Information Retrieval: Brussels - Belgium ; 5 - 7 September 1990. New York, NY: ACM, 1989.

MLA (9th ed.) Citation

International Conference on Research and Development in Information Retrieval Brüssel. Proceedings of the 13th International Conference on Research and Development in Information Retrieval: Brussels - Belgium ; 5 - 7 September 1990. ACM, 1989.