Cita APA (7a ed.)

Date, C. (1995). An introduction to database systems (6th ed.). Addison-Wesley Publishing Company.

Cita Chicago Style (17a ed.)

Date, C.J. An Introduction to Database Systems. 6th ed. Reading, Massachusetts: Addison-Wesley Publishing Company, 1995.

Cita MLA (9a ed.)

Date, C.J. An Introduction to Database Systems. 6th ed. Addison-Wesley Publishing Company, 1995.