(1989). Proceedings of the Twenty First Annual ACM Symposium Seattle, Washington May 15-17, 1989. Association for Computing Machinery.
Chicago Style (17th ed.) CitationProceedings of the Twenty First Annual ACM Symposium Seattle, Washington May 15-17, 1989. New York: Association for Computing Machinery, 1989.
MLA (8th ed.) CitationProceedings of the Twenty First Annual ACM Symposium Seattle, Washington May 15-17, 1989. Association for Computing Machinery, 1989.
Warning: These citations may not always be 100% accurate.