Cita APA (7a ed.)

Codd, E. F. (1970). Proceedings of the 1970 ACM SIGFIDET (now SIGMOD) Workshop on Data Description, Access and Control. Association for Computing Machinery.

Cita Chicago Style (17a ed.)

Codd, Edgar F. Proceedings of the 1970 ACM SIGFIDET (now SIGMOD) Workshop on Data Description, Access and Control. New York: Association for Computing Machinery, 1970.

Cita MLA (9a ed.)

Codd, Edgar F. Proceedings of the 1970 ACM SIGFIDET (now SIGMOD) Workshop on Data Description, Access and Control. Association for Computing Machinery, 1970.