APA

Simon J., Association for Computing Machinery & ACM Special Interest Group on Algorithms and Computation Theory. (1988). Proceedings of the twentieth annual ACM symposium on Theory of computing. New York, NY: ACM.

Chicago

Simon J'anos, Association for Computing Machinery and ACM Special Interest Group on Algorithms and Computation Theory. 1988. Proceedings of the twentieth annual ACM symposium on Theory of computing. New York, NY: ACM.

Harvard

Simon J., Association for Computing Machinery and ACM Special Interest Group on Algorithms and Computation Theory. (1988). Proceedings of the twentieth annual ACM symposium on Theory of computing. New York, NY: ACM.

MLA

Simon J'anos, Association for Computing Machinery and ACM Special Interest Group on Algorithms and Computation Theory. Proceedings of the twentieth annual ACM symposium on Theory of computing. New York, NY: ACM. 1988.