APA

Fagin R., Association for Computing Machinery, ACM Special Interest Group on Algorithms and Computation Theory, ACM Special Interest Group on Artificial Intelligence & ACM Special Interest Group on Management of Data. (1983). Proceedings of the 2nd ACM SIGACT-SIGMOD symposium on Principles of database systems. New York, NY: ACM.

Chicago

Fagin Ronald, Association for Computing Machinery, ACM Special Interest Group on Algorithms and Computation Theory, ACM Special Interest Group on Artificial Intelligence and ACM Special Interest Group on Management of Data. 1983. Proceedings of the 2nd ACM SIGACT-SIGMOD symposium on Principles of database systems. New York, NY: ACM.

Harvard

Fagin R., Association for Computing Machinery, ACM Special Interest Group on Algorithms and Computation Theory, ACM Special Interest Group on Artificial Intelligence and ACM Special Interest Group on Management of Data. (1983). Proceedings of the 2nd ACM SIGACT-SIGMOD symposium on Principles of database systems. New York, NY: ACM.

MLA

Fagin Ronald, Association for Computing Machinery, ACM Special Interest Group on Algorithms and Computation Theory, ACM Special Interest Group on Artificial Intelligence and ACM Special Interest Group on Management of Data. Proceedings of the 2nd ACM SIGACT-SIGMOD symposium on Principles of database systems. New York, NY: ACM. 1983.