APA

Lewis D. W., Association for Computing Machinery & ACM Special Interest Group on Management of Data. (1981). Proceedings of the 1981 ACM SIGSMALL symposium on Small systems and SIGMOD workshop on Small database systems. New York, NY: ACM.

Chicago

Lewis D W, Association for Computing Machinery and ACM Special Interest Group on Management of Data. 1981. Proceedings of the 1981 ACM SIGSMALL symposium on Small systems and SIGMOD workshop on Small database systems. New York, NY: ACM.

Harvard

Lewis D. W., Association for Computing Machinery and ACM Special Interest Group on Management of Data. (1981). Proceedings of the 1981 ACM SIGSMALL symposium on Small systems and SIGMOD workshop on Small database systems. New York, NY: ACM.

MLA

Lewis D W, Association for Computing Machinery and ACM Special Interest Group on Management of Data. Proceedings of the 1981 ACM SIGSMALL symposium on Small systems and SIGMOD workshop on Small database systems. New York, NY: ACM. 1981.