Cita APA (7a ed.)

ACM SIGACT-SIGMOD Symposium on Principles of Database Systems. (1985). Proceedings of the fourth ACM SIGACT-SIGMOD Symposium on Principles of Database Systems. ACM.

Cita Chicago Style (17a ed.)

ACM SIGACT-SIGMOD Symposium on Principles of Database Systems. Proceedings of the Fourth ACM SIGACT-SIGMOD Symposium on Principles of Database Systems. [Place of publication not identified]: ACM, 1985.

Cita MLA (9a ed.)

ACM SIGACT-SIGMOD Symposium on Principles of Database Systems. Proceedings of the Fourth ACM SIGACT-SIGMOD Symposium on Principles of Database Systems. ACM, 1985.