Cita APA (7a ed.)

Date, C. J. (1976). An introduction to database system. Addison-Wesley Publishing Company.

Cita Chicago Style (17a ed.)

Date, C. J. An Introduction to Database System. Reading, Massachusetts [i pozostałe]: Addison-Wesley Publishing Company, 1976.

Cita MLA (9a ed.)

Date, C. J. An Introduction to Database System. Addison-Wesley Publishing Company, 1976.