APA

Johnson D. S., Association for Computing Machinery & ACM Special Interest Group on Algorithms and Computation Theory. (1983). Proceedings of the fifteenth annual ACM symposium on Theory of computing. New York, NY: ACM.

Chicago

Johnson David S, Association for Computing Machinery and ACM Special Interest Group on Algorithms and Computation Theory. 1983. Proceedings of the fifteenth annual ACM symposium on Theory of computing. New York, NY: ACM.

Harvard

Johnson D. S., Association for Computing Machinery and ACM Special Interest Group on Algorithms and Computation Theory. (1983). Proceedings of the fifteenth annual ACM symposium on Theory of computing. New York, NY: ACM.

MLA

Johnson David S, Association for Computing Machinery and ACM Special Interest Group on Algorithms and Computation Theory. Proceedings of the fifteenth annual ACM symposium on Theory of computing. New York, NY: ACM. 1983.