Cita APA (7th ed.)

(1982). Database, the 2nd generation / editor, D.J.L. Gradwell.

Cita Chicago (17th ed.)

Database, the 2nd Generation / Editor, D.J.L. Gradwell. 1982.

Cita MLA (9th ed.)

Database, the 2nd Generation / Editor, D.J.L. Gradwell. 1982.