Cita APA (7a ed.)

Ullman, J. D., & Aho, A. V. C. (1982). Proceedings of the 1st ACM SIGACT-SIGMOD Symposium on Principles of Database Systems. ACM.

Cita Chicago Style (17a ed.)

Ullman, Jeffrey D., y Alfred V Contributor Aho. Proceedings of the 1st ACM SIGACT-SIGMOD Symposium on Principles of Database Systems. [Place of publication not identified]: ACM, 1982.

Cita MLA (9a ed.)

Ullman, Jeffrey D., y Alfred V Contributor Aho. Proceedings of the 1st ACM SIGACT-SIGMOD Symposium on Principles of Database Systems. ACM, 1982.