Cita APA (7a ed.)

Naqvi, S., & Tsur, S. (1989). A logical language for data and knowledge bases. Computer Science.

Cita Chicago Style (17a ed.)

Naqvi, Shamin, y Shalom Tsur. A Logical Language for Data and Knowledge Bases. New York: Computer Science, 1989.

Cita MLA (9a ed.)

Naqvi, Shamin, y Shalom Tsur. A Logical Language for Data and Knowledge Bases. Computer Science, 1989.