APA (7th ed.) Citation

ScienceDirect (Online service) & Bell, D. A. (1986). Relational databases. Pergamon Infotech.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service) and D. A. Bell. Relational Databases. Oxford [Oxfordshire] ; New York: Pergamon Infotech, 1986.

MLA (9th ed.) Citation

ScienceDirect (Online service) and D. A. Bell. Relational Databases. Pergamon Infotech, 1986.

Warning: These citations may not always be 100% accurate.