Johnson, D. S. (1989). Theory of Computing: Proceedings of the Twenty-First Annual ACM Symposium on Theory of Computing. Association for Computing Machinery.
Chicago Style (17th ed.) CitationJohnson, D. S. Theory of Computing: Proceedings of the Twenty-First Annual ACM Symposium on Theory of Computing. [Place of publication not identified]: Association for Computing Machinery, 1989.
MLA (9th ed.) CitationJohnson, D. S. Theory of Computing: Proceedings of the Twenty-First Annual ACM Symposium on Theory of Computing. Association for Computing Machinery, 1989.
Warning: These citations may not always be 100% accurate.